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藤川伝導機

addressTokyo/Taito-ku/Taitung 2-30-5
phone03-3834-6031
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last updated:Mar 31, 2025
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藤川伝導機 List of Products and Services

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Heatstroke prevention products Heatstroke prevention products
Engineering services Engineering services
Motor, reducer, transmission Motor, reducer, transmission
FA equipment and control equipment FA equipment and control equipment
Chain drive and gear drive Chain drive and gear drive
Belt pulley Belt pulley
Coupling mechanism Coupling mechanism
Mechanical elements Mechanical elements
Bearing Bearing
Linear motion device Linear motion device
Sliding bearings and bearing-related equipment Sliding bearings and bearing-related equipment
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Bearing

Bearing

Achieves smooth rotation and low friction with high-precision bearings. Excellent durability and reliability contribute to improved machine performance and longevity.

[Information] Handling of Bearings

Basic things to keep in mind when handling bearings!

This document explains the handling of bearings. It provides detailed information using diagrams and tables about installation methods, examples of damage, and weaknesses of bearings. Bearings can only demonstrate their original performance when handled properly. This is a useful reference, so please take a moment to read it. [Contents] ■ Preparation before installation ■ Installation of bearings ■ Post-installation checks ■ Removal of bearings ■ Storage of bearings *For more details, please download the PDF or feel free to contact us.

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[Information] Bearing Health Management

About the main causes of abnormal temperature rise, as well as the limits for lubricant replenishment and replacement!

This document is a guidebook for the prevention of "accidents" such as early bearing damage, and for investigating the causes and implementing appropriate countermeasures if an "accident" occurs. It provides detailed information on inspections in operating conditions, bearing damage, and countermeasures, using diagrams and tables. This is a useful reference, so please take the time to read it. 【Contents】 ■ Preface ■ Maintenance and management of bearings ■ Inspections in operating conditions ■ Observations of bearings after use ■ Bearing damage and countermeasures *For more details, please download the PDF or feel free to contact us.

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Self-aligning roller bearing "ULTAGE Series" <EMA Type>

Adopting special heat treatment! By enhancing dimensional stability in high-temperature environments, we achieve long service life.

The "ULTAGE Series" is a type of self-aligning roller bearing with an enhanced cage, developed to meet the demands of industrial machinery used under harsh conditions (such as eccentric rotation and shock loads) for "long life," "vibration resistance," and "low temperature rise." By maximizing the diameter and number of rollers, we achieve a world-class high load capacity, ensuring long life. We have improved the cage's shape and arranged the pockets in a staggered pattern to enhance the strength of the cage and improve vibration resistance. 【Features】 ■ Long life ■ Vibration resistance ■ Low temperature rise ■ 200℃ heat-resistant specification *For more details, please download the PDF or feel free to contact us.

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Rolling Bearing Theory and Practice Guidebook

A detailed explanation of changes in contact angle and effective clearance due to axial load in rolling bearings!

This book provides a clear explanation of various theories and calculation methods related to bearing motion, internal clearance, preloading, load distribution, lifespan, friction, vibration, and more. Additionally, to enable readers to perform simple calculations, many necessary coefficient values are included. Furthermore, advanced calculation examples utilizing CAE are also introduced. 【Contents (Excerpt)】 ■ Bearing shapes and motion ■ Fits and operating clearance ■ Internal loads in bearings ■ Load, preloading, and displacement ■ Rated load and lifespan *For more details, please download the PDF or feel free to contact us.

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Bearing Unit "Steel Series"

In addition to conveyors and trolleys for steel equipment, mining machinery, and pollution prevention equipment, they are also suitable for overhead cranes.

The "Steel Series" is a bearing unit made from precision-cut general structural rolled steel, which has higher strength characteristics compared to cast iron or cast steel bearing boxes. Since it uses general structural rolled steel as the material, it does not have the strength instability factors associated with cast materials, contributing to the safety design of the bearing box. Additionally, it is compatible with bearing units from other domestic manufacturers. [Features] - Robust bearing box - Stable quality - Compatibility *For more details, please download the PDF or feel free to contact us.

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Bearing Unit "Stainless Series"

The cast surface is smooth! Foreign substances are less likely to adhere, making it hygienic.

The "Stainless Steel Series" is a bearing unit that features excellent corrosion resistance and dustproof properties, encapsulated with a lubricant suitable for food machinery. By equipping the bearing box with a cover made of stainless steel plate with a rubber seal, outstanding dustproof performance is achieved, preventing direct contact of water droplets and dust with the bearings. The unit is composed entirely of stainless steel for the ball bearings, bearing box, and cover, providing superior corrosion resistance compared to conventional cast iron units. 【Features】 ■ Excellent corrosion resistance ■ Excellent dustproof properties ■ Clean appearance ■ Encapsulated lubricant for food machinery *For more details, please download the PDF or feel free to contact us.

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Bearing Unit "Ductile Series"

Lightweight and compact with a robust bearing box! The material of the bearing box uses two types of spheroidal graphite cast iron (FCD450).

The "Ductile Series" is a bearing unit that has successfully achieved weight reduction of the bearing housing through NTN's casting technology. Additionally, by minimizing the main dimensions other than the mounting relationships, it allows for installation in tighter spaces. There are two types: oil-lubricated and maintenance-free. The oil-lubricated type is suitable for high temperature and high-speed operating conditions, while the maintenance-free type can be used for long periods without grease replenishment under normal operating conditions. 【Features】 - 40% weight reduction of the bearing housing and compact design - Two types: oil-lubricated and maintenance-free - Robust bearing housing - Compatibility *For more details, please download the PDF or feel free to contact us.

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Bearing Unit "Plastic Series"

Support for a clean environment! The bearing box uses thermoplastic polyester resin as the material.

The "Plastic Series" is a bearing unit that combines stainless steel ball bearings with resin bearing housings, offering excellent corrosion resistance. The ball bearings use NTN's proprietary thermosetting grease (P-O3) sealed in poly-lube bearings, which minimizes lubricant leakage and prevents contamination of the surrounding environment. Additionally, the bearing housings are hygienic, with no paint peeling or rusting. 【Features】 ■ Excellent corrosion resistance ■ Maintenance of a clean environment ■ Low bearing torque ■ Lightweight ■ Water and chemical resistance *For more details, please download the PDF or feel free to contact us.

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Bearing with triple seal for bearing unit.

Excellent dustproof and waterproof performance! Achieving a longer lifespan in environments with dust and wastewater dispersion.

This product is a bearing with a triple seal that uses a three-lip design for the bearing seal. Due to its excellent dust and water resistance, it allows for a longer lifespan of the bearing even in environments where dust and wastewater are present. Depending on the usage conditions, it can replace conventional units with covers, leading to a reduction in the cost of the bearing unit, and if the cover is unnecessary, the machinery can also be made more compact. 【Features】 ■ Achieves a longer lifespan of the bearing with excellent dust and water resistance ■ Reduces maintenance-related costs ■ Reduces the cost of the bearing unit and makes machinery more compact ■ Tightening screws with balls that are resistant to loosening ■ Compatibility *For more details, please download the PDF or feel free to contact us.

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SF Series SUS440C Flanged Bearing Unit

High-precision bearing unit with stainless steel single-row deep groove ball bearings and stainless steel housing!

We would like to introduce the "SF Series SUS440C Flanged Bearing Unit" that we handle. Since both the bearing and housing are made of SUS440C stainless steel, it offers excellent corrosion resistance and can maintain a clean environment. Additionally, because both the bearing and housing are made of SUS440C stainless steel, there is no difference in expansion and contraction under temperature variations, allowing for proper fitting. 【Features】 ■ Excellent corrosion resistance ■ Self-aligning function makes alignment adjustments during installation easy ■ Maintains proper fitting ■ Suitable for applications requiring precise positioning due to its precise finish *For more details, please download the PDF or feel free to contact us.

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IKO Roller Follower

There are forms with a spherical outer diameter and cylindrical surface, and the bearing with a spherical outer ring is effective in alleviating end loads caused by mounting errors!

The "IKO Roller Follower" is a bearing designed for external rotation that incorporates needle rollers into a thick-walled outer ring. There are versions with retainers and full rollers; the version with a retainer is suitable for high rotational speeds, while the full roller is ideal for low-speed rotation and oscillating movements under heavy loads. With a wide variety of types available, it is possible to select bearings that fit various operating conditions, and they are widely used in the linear motion parts of cam mechanisms and conveying devices. 【Lineup】 ■ Separable Roller Follower ■ Non-Separable Roller Follower ■ C-Roove Roller Follower ■ Multi-Row Cylindrical Roller Follower *For more details, please download the PDF or feel free to contact us.

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5800 series double row angular bearing (SUJ2)

Compact and lightweight design is possible! Smooth rotation can be achieved with low torque.

We would like to introduce the "5800 Series Double Row Angular Bearing" that we handle. Thanks to its thin-walled structure, it enables compact and lightweight equipment, allowing for smooth rotation with low torque. Additionally, it is equipped with load capacity for axial loads in both directions. Please feel free to contact us if you have any inquiries. 【Features】 ■ Enables compact and lightweight equipment due to its thin-walled structure ■ Achieves smooth rotation with low torque ■ Has load capacity for axial loads in both directions *For more details, please download the PDF or feel free to contact us.

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Heat-resistant stainless steel bearing

Operating temperature up to 250℃! For applications such as furnace peripheral equipment, ovens, and heaters.

We offer "heat-resistant stainless bearings" that are filled with fluorine-based heat-resistant grease, made from SUS440C stainless steel, which has superior heat resistance compared to SUJ2 bearing steel. The operating temperature is up to 250°C, and compared to SUJ2 bearing steel, it has excellent oxidation resistance, which is significantly affected in high-temperature environments. Additionally, we also provide "heat-resistant hybrid bearings" that incorporate ceramic balls for even longer service life. 【Features】 <Heat-Resistant Stainless Bearings> ■ Operating temperature is up to 250°C (excluding seal types) ■ Compared to SUJ2 bearing steel, the rate of hardness reduction and dimensional changes in high-temperature environments are smaller ■ Superior oxidation resistance in high-temperature environments compared to SUJ2 bearing steel ■ Achieves lubrication at high temperatures by filling with fluorine-based heat-resistant grease *For more details, please download the PDF or feel free to contact us.

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SSXC series stainless steel bearing with set screw

No set collar is needed for fixing or positioning the bearing due to fastening with a stop screw!

We would like to introduce the "SSXC Series Stainless Steel Bearings with Set Screws" that we handle. The secure installation with set screws prevents creep between the shaft and the inner diameter, eliminating the generation of wear particles due to creep. It is suitable for environments that require cleanliness, such as clean rooms, and has excellent corrosion resistance. Please feel free to contact us when you need assistance. 【Features】 ■ Secure installation with set screws prevents creep between the shaft and the inner diameter ■ Eliminates the generation of wear particles due to creep ■ Excellent corrosion resistance *For more details, please download the PDF or feel free to contact us.

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IKO inner circle

Can be used as a bush, economical with no need for reprocessing!

The "IKO inner ring" is a product that has undergone high-precision grinding finishing after heat treatment. Typically, needle roller bearings use a shaft that has been heat-treated and ground to serve as the raceway surface. However, when it is not possible to process the surface of the shaft to the specified hardness or roughness, this inner ring is used. There are inner rings for shell-type needle bearings and general-purpose inner rings, each available in many dimensions, allowing for the selection of a wide inner ring when the shaft moves axially or when a sealing seal is used adjacent to the bearing. 【Lineup】 ■ Inner rings for shell-type needle bearings ■ General-purpose inner rings *For more details, please download the PDF or feel free to contact us.

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Short-axis cam follower "CFC□B"

A compact cam follower with a newly developed mounting structure!

The short-axis cam follower "CFC□B" is a product that adopts a new mounting structure using hexagon socket bolts and dedicated flange nuts. While maintaining the performance as a cam follower, it thoroughly pursues compactness and ease of installation. Compared to conventional cam followers, it significantly reduces the mounting space, thereby expanding design flexibility and greatly contributing to improved production efficiency across a wide range of fields. 【Stud Diameter】 ■8mm ■10mm ■12mm *For more details, please download the PDF or feel free to contact us.

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Planma Block Catalog

Spheroidal graphite cast iron (ductile cast iron), made of cast steel, etc.! Manufactured under a design focused on strength and thorough quality control.

This catalog provides detailed information about "Planma Blocks." It richly introduces the structure of Planma Blocks, as well as their types and features, such as split types and integrated types, permissible rotational speeds, and handling of Planma Blocks and bearings. Additionally, it includes information on bearing selection and dimension tables, accompanied by images and diagrams, making it a useful reference for product selection. We encourage you to read it. 【Contents (partial)】 ■ Structure of Planma Blocks ■ Types and features of Planma Blocks ■ Designation numbers for Planma Blocks and bearings ■ Precision of Planma Blocks and bearings ■ Materials of Planma Blocks and bearings *For more details, please download the PDF or feel free to contact us.

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Bearing roller

Standardized bearing rollers that can be used as conveying rollers and tensioners!

We would like to introduce the "Bearing Roller" that we handle. Thanks to its integrated structure with the bearing, it can be easily installed, and we offer options for both shaft and base. Additionally, the shaft type features a wedge structure that minimizes the risk of damaging the shaft and allows for easy installation with minimal force. 【Features of the Shaft Type】 - Easy installation and positioning due to the integrated structure with the bearing - Available for shaft diameters of Φ12, 15, 20, and 25 - Uses 60 series and 62 series bearings (both shielded types) - Minimizes the risk of damaging the shaft - Allows for easy installation with minimal force *For more details, please download the PDF or feel free to contact us.

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SS5200・5200 Series Double Row Angular Bearing

Two single-row angular bearings combined in a back-to-back arrangement! It has a structure where the inner and outer rings are integrated.

We would like to introduce the "SS5200/5200 Series Double Row Angular Bearings" that we handle. This structure combines two single row angular bearings back-to-back, with the inner and outer rings integrated. It is equipped with load capacity for axial loads in both directions. Please feel free to contact us when you need assistance. 【Product Lineup】 ■ SS5200 Series ■ 5200 Series *For more details, please download the PDF or feel free to contact us.

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6800・6900 Series Thin-Walled Bearings (SUJ2)

Save bearing installation space! Enables compact design and weight reduction of the equipment.

We would like to introduce the "6800 and 6900 Series Thin-Walled Bearings (SUJ2)" that we handle. These bearings save installation space, enabling compact design and weight reduction of equipment. Additionally, while the balls are made of SUJ2, we also accommodate special specifications such as silicon nitride ceramic balls. 【Specifications (partial)】 ■ Inner ring / Outer ring: SUJ2 ■ Balls: SUJ2 ■ Cage: SPCC (partly SUS304) ■ Shield: SECC ■ Seal: Nitrile rubber *For more details, please download the PDF or feel free to contact us.

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IKO composite needle bearing

It is possible to apply radial and axial loads simultaneously!

The "IKO Composite Needle Bearing" is a compact and economical bearing that combines a needle bearing with a retainer in the radial bearing section and either a thrust ball bearing or a thrust roller bearing in the thrust bearing section. It is capable of simultaneously bearing radial and axial loads. It is widely used in machine tools, textile machinery, and industrial machinery. 【Product Lineup】 ■ Needle bearings with thrust ball bearings ■ Needle bearings with thrust roller bearings ■ Needle bearings with angular ball bearings ■ Needle bearings with three-point contact ball bearings *For more details, please download the PDF or feel free to contact us.

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Bearing Product Catalog

A rich lineup including standard type, screw shaft type, and riveted shaft type.

This catalog introduces the "bearings" that our company handles. It includes "hexagon socket type bearings" that can prevent loosening with high clamping force, and "DT (resin-coated bearings)" which are metal bearings insert-molded with polyacetal resin. Please take a look when selecting products. 【Contents (partial)】 ■BEARING Product Name Composition Table ■D-SERIES BEARINGS ■BEARINGS ■D-SERIES ROLLERS/E-SERIES BEARINGS ■I-SERIES BEARINGS *For more details, please download the PDF or feel free to contact us.

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IKO thrust bearing

Ideal for areas requiring high precision, such as automotive drive mechanisms, machine tools, and high-pressure pumps!

The "IKO Thrust Bearing" is a highly rigid bearing that combines a precisely machined retainer, capable of handling large loads in a small space. This bearing includes thrust needle bearings that use needle rollers, thrust roller bearings that use cylindrical rollers, and various types of raceways, allowing for selection based on usage conditions. Additionally, if the mounting surface of the machine's bearing is heat-treated and ground to be used as a raceway, it can be used without a raceway, making it even more compact. 【Lineup】 ■ Thrust Needle Bearings ■ Thrust Roller Bearings *For more details, please download the PDF or feel free to contact us.

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IKO Cam Follower

Achieving high rigidity and precision as a follower bearing for cam mechanisms and linear motion!

The "IKO Cam Follower" is a stud-type bearing that incorporates needle rollers into a thick-walled outer ring, designed for outer ring rotation with a low friction coefficient, resulting in excellent rotational performance. This bearing is designed with a smaller radial clearance than general needle bearings to effectively increase the load capacity. As a result, it alleviates shock loads and provides stable long life. 【Product Lineup (Partial)】 ■ Standard Cam Follower ■ Stainless Steel Cam Follower ■ Cam Follower with Eccentric Collar ■ Eccentric Stud Cam Follower ■ Cam Follower with Thrust Washer ■ Cam Follower for Centralized Piping *For more details, please download the PDF or feel free to contact us.

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IKO roller bearing

With retainers, there are options for full rollers and sheaves, allowing for the selection of bearings suitable for the usage conditions!

The "IKO Roller Bearing" is a non-separable bearing with a large rated load, consisting of multiple rows of rollers. It can support not only radial loads but also axial loads due to the end faces of the inner and outer rings, making it suitable as a fixed-side bearing. Additionally, it is a compact bearing similar to a needle bearing. 【Product Lineup】 ■ Roller bearings with retainers ■ Full roller bearings ■ Roller bearings for sheaves *For more details, please download the PDF or feel free to contact us.

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Grease-free bearing

Smooth rotation with low torque! Suitable for high temperatures and vacuum environments where grease cannot be used.

We would like to introduce the "Grease-less Bearings" that we handle. The operating temperature is up to 300°C, allowing for smooth rotation with low torque. (Excluding seal types.) Additionally, since no grease is used, it can be utilized in environments where grease cannot be used by applying a special coating to the retainer. 【Features】 ■ Corrosion-resistant ■ High temperature ■ Vacuum ■ Grease-free *For more details, please download the PDF or feel free to contact us.

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GW Series Guide Wheel Bearing

The outer wheel has a W-shaped bearing! It can be used for various applications as a guide wheel.

We would like to introduce the "GW Series Guide Wheel Bearing" that we handle. It features a precision-ground W shape and an integrated bearing structure, ensuring high accuracy. The internal structure of the bearing is a multi-row angular contact type, allowing it to bear radial and axial loads, and it also excels in load capacity against moment loads. 【Features】 ■ High precision ■ Internal structure of the bearing is a multi-row angular contact type ■ Capable of bearing radial and axial loads ■ Excellent load capacity against moment loads *For more details, please download the PDF or feel free to contact us.

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Ball bearings <shield type, seal type>

A suitable bearing type that meets the needs for simplification around the axis and long-term maintenance inspections!

This product features a V-shaped groove seal surface on the inner ring, which effectively works against dust on the outer side of the V-groove due to centrifugal force, while preventing grease leakage on the inner side. The shield plate is made of a special steel plate that is resistant to rust and has undergone a robust surface treatment, providing excellent sealing capability. As a result, there are no issues related to rust, which positively impacts the bearing's lifespan and acoustic levels. 【Features】 ■ Outstanding performance with the groove seal surface (all types) ■ Rust-resistant shield plate (ZZ) ■ Double lip seal (LLU) that automatically compensates for gaps *For more details, please refer to the PDF document or feel free to contact us.

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IKO products for food machinery

Introducing the lineup of IKO products, infused with technology and passion in each and every item!

We would like to introduce IKO products for food machinery that we handle. We support food and beverage production lines with reliable quality and maintenance-free solutions in processes such as raw material processing, processing, heating, conveying, inspection and packaging in food machinery, as well as container molding, cleaning, and filling processes in beverage manufacturing lines. Please feel free to consult us when you need assistance. 【Product Lineup (Partial)】 ■ Turning type needle bearings ■ Shell type needle bearings ■ Cam followers ■ Roller followers ■ Cross roller bearings *For more details, please download the PDF or feel free to contact us.

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IKO Products Supporting Medical Devices Catalog

Introducing products that are compact, high-precision, made of stainless steel, and can be used for various linear guides.

This catalog introduces "IKO products that support medical devices," handled by Fujikawa Dendokiki Co., Ltd. It includes the small linear way series, linear way and linear roller way series, ball slide series, ball spline series, cross roller bearing series, and more. Additionally, it covers special environment compatibility, making it a useful reference when considering implementation. [Contents (partial)] ■ Small linear way series ■ Linear way and linear roller way series ■ Ball slide series ■ Ball spline series ■ Cross roller bearing series *For more details, please download the PDF or feel free to contact us.

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SH Series Stainless Steel Bearing with Self-Aligning Function

It is possible to allow for deflection of rollers and shafts! Maintenance periods can also be significantly extended.

We would like to introduce the "SH Series Stainless Steel Bearings with Self-Aligning Function" that we handle. Since it uses SUS440C stainless steel, it is suitable for corrosive environments, clean rooms, and food machinery. Additionally, it corrects the misalignment of the shaft caused by deflection or improper installation of components like conveyor rollers, reducing abnormal loads on the bearings. 【Features】 ■ Corrosion-resistant ■ High load capacity ■ Conveying *For more details, please download the PDF or feel free to contact us.

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Ultra F Series Catalog

Achieving low dust generation in LCD and semiconductor manufacturing equipment! Introducing bearings for clean environments.

This catalog introduces the "Ultra F Series" bearings designed for clean environments, which improve low dust generation, durability, and performance in clean rooms, vacuum conditions, and high temperatures. It provides detailed information on standard specifications, appearance, structure, features, and usage examples, accompanied by diagrams and images. Additionally, it includes dimension tables and information on products for special environments, so please take a moment to read through it. [Contents (Excerpt)] ■ Standard specifications for clean environment bearings ■ Ultra clean bearings (vacuum/high temperature) ■ Long-life ultra clean bearings (vacuum/high temperature) ■ Low dust grease-sealed bearings (atmospheric/room temperature) ■ Low dust grease-sealed bearings for vacuum (vacuum/high temperature) *For more details, please download the PDF or feel free to contact us.

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Poly-Lube Needle Bearing

Polyethylene particles swell and enlarge due to oil, leaving grease between the particles!

The "Polylube Needle Bearing" is a product that prevents grease scattering, improves lubrication life, and reduces grease maintenance through the use of thermosetting grease encapsulation. When Polylube is encapsulated in the bearing, the lubricant seeps out and acts as a micro-lubrication mechanism. It is difficult for the lubricant to leak, and it achieves stable lubrication over a long period. 【Features】 ■ Prevents grease scattering ■ Improves lubrication life ■ Reduces grease maintenance ■ Grease does not flow out even if moisture enters *For more details, please refer to the PDF document or feel free to contact us.

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Low torque long life deep groove ball bearing for motors

Ideal for home appliances and industrial motors! Achieving a significant reduction in torque while ensuring long lifespan.

We would like to introduce our "Low Torque Long Life Deep Groove Ball Bearings for Motors." By achieving "lower viscosity of base oil" and "optimization of thickening agents," we reduce mixing resistance. Additionally, improvements in "the heat resistance and base oil retention of thickening agents" and "the heat resistance of base oil" also lead to an increase in bearing lifespan. Please feel free to contact us when you need assistance. 【Features】 ■ Achieves significant reduction in torque and long lifespan ■ Reduces mixing resistance ■ Increases bearing lifespan ■ Contributes to energy savings ■ Contributes to maintenance-free operation *For more details, please refer to the PDF document or feel free to contact us.

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Premium shell bearing

A new series of shell-shaped needle roller bearings has been born to meet the demand for longer service life!

We would like to introduce our "Premium Shell Bearings." These bearings feature a special heat treatment (special carburizing and nitriding process) as standard, which has a proven track record in extending lifespan. They alleviate stress concentration at the ends of the rollers caused by mounting errors and heavy loads (edge loading), contributing to improved lifespan. 【Features】 ■ Lifespan improvement: 3 times ■ Static load capacity improvement: 1.5 times ■ Reduced and stabilized pressure input *For more details, please refer to the PDF document or feel free to contact us.

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Camphora Laura Flora Series

IKO original grease supply structure! The outer ring adopts a thick shape to achieve impact load resistance.

The "Cam Follower and Roller Follower" is a bearing designed for outer ring rotation, featuring a structure that incorporates needle rollers into a thick outer ring, resulting in a low friction coefficient and excellent rotational performance. The outer peripheral surface where the needle rollers of the inner ring roll is finished to high precision, contributing to a long service life. By adopting crowned rollers, it is designed to be strong against misalignment. Additionally, it allows for tightening using a hexagonal rod wrench as a locking mechanism. 【Features】 ■ Extensive product lineup ■ A wide range of product specifications to choose from according to application ■ Easy installation with hexagonal holes ■ IKO original lubrication structure ■ Innovative C-lube unit for cam followers *For more details, please refer to the PDF document or feel free to contact us.

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Polylube bearing

Suppressing environmental pollution! Emulsification of oil is less likely to occur and it is difficult to leak, resulting in excellent lubrication properties.

We would like to introduce the "Polylube Bearings" that we handle. Polylube Bearings come in two specifications: the Spot Pack specification, which has multiple points of lubrication sealed above the retainer, and the Full Pack specification, which is filled almost entirely with lubricant in the bearing's space. In the Spot Pack specification, Polylube is not agitated like grease, resulting in minimal agitation resistance and the potential for reduced bearing torque. 【Features】 ■ Minimal leakage of lubricant ■ Good lubrication properties ■ Bearing torque ■ Sealing effect ■ High safety *For more details, please download the PDF or feel free to contact us.

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New ceramic ball bearings for motors

The development of new ceramic materials makes ceramic bearings more accessible!

We would like to introduce our "New Ceramic Ball Bearings for Motors." The coefficient of linear expansion is close to that of the inner and outer ring materials (bearing steel SUJ2), resulting in minimal changes in the internal clearance of the bearing due to temperature variations, making it suitable for a wide range of temperature environments. It possesses similar insulation properties, strength, and durability (changes in acoustic values) as conventional insulating materials such as silicon nitride (conventional ceramics Si3N4). 【Material Properties (Partial)】 ■ Density (g/cm3): 6 ■ Coefficient of Linear Expansion (1/℃): 10.5×10^−6 ■ Vickers Hardness (HV): 1280 ■ Longitudinal Elastic Modulus (GPa): 210 ■ Poisson's Ratio: 0.31 *For more details, please refer to the PDF document or feel free to contact us.

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NTN Miniature and Small Diameter Ball Bearing Catalog

The characteristics of seal and shield bearings are also included! You can also view the technical explanation.

This catalog introduces the "NTN miniature and small diameter ball bearings" that we handle. It includes characteristics of sealed and shielded bearings, as well as a dimensional table for radial ball bearings. Additionally, there are technical explanations regarding bearing materials, precision, rated load and lifespan, and fits. We encourage you to read it. 【Contents (partial)】 ■ Characteristics of sealed and shielded bearings ■ Representation of basic numbers and auxiliary symbols ■ Dimensional table index ■ Dimensional table for radial ball bearings: metric system ■ Dimensional table for radial ball bearings: inch system *For more details, please download the PDF or feel free to contact us.

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High-quality deep groove ball bearing for motors

Focusing on the unevenness of the rolling direction! Achieving optimization of the trajectory surface characteristics through 3D analysis technology.

We would like to introduce the "High-Quality Deep Groove Ball Bearings for Motors" handled by Fujikawa Denko Co., Ltd. It reduces sound pressure in the frequency range (1,000Hz to 5,000Hz) that people find particularly unpleasant. It is suitable for use in household appliance motors, industrial motors, and other machinery used indoors or near people. 【Bearing Series】 ■60 ■62 ■63 ■69 *For more details, please refer to the PDF document or feel free to contact us.

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Camphora & Laura Flora Catalog

Each rich form is serialized! It is possible to select bearings suitable for various operating conditions.

This catalog introduces the "Cam Followers" and "Roller Followers" from Japan Thomson Co., Ltd., which we handle. These bearings feature a structure that incorporates needle rollers into a thick outer ring, designed for outer ring rotation, with a low coefficient of friction and excellent rotational performance. It includes a comprehensive explanation of each product, dimension tables, special specifications, comparison tables of various manufacturers, and other information, making it a useful reference when selecting products. [Contents (Excerpt)] ■ Cam Follower Series - Explanation - Dimension Table - Related Parts *For more details, please refer to the PDF document or feel free to contact us.

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Rubber Roller "Rubber Mold Bearing"

Next, the rubber roller demonstrates its power for a variety of needs! It is well-suited for feeding mechanisms and applications requiring low vibration and low noise.

The "Rubber Mold Bearing" is a rubber roller that directly bonds polyurethane rubber to the outer diameter of miniature, small-diameter, deep groove ball bearings, incorporating the bearing technology developed by NTN over many years. It uses ether-based polyurethane rubber, which excels in water resistance, wear resistance, cold resistance, heat degradation resistance, ozone resistance, and rubber elasticity. We can manufacture bearings with precision (dimensions, rotation) and sealed grease that differ from standard products according to your specifications. 【Features】 ■ High degree of freedom in bearing specifications ■ Option to select rubber hardness ■ Excellent rubber material ■ Outer diameter runout precision *For more details, please refer to the PDF document or feel free to contact us.

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Cylindrical roller bearing "ULTAGE Series"

Allowable tilt angle 1/500! Allowable rotation speed increases by up to 20% under oil lubrication conditions.

The "ULTAGE Series" is a cylindrical roller bearing developed to meet the demands of various industrial machinery for "long life," "increased load capacity," and "high speed." By optimizing internal specifications, it achieves high load capacity and long life. Additionally, the standard adoption of a cage-type integrated PA resin retainer enables high speed and long grease life. The main dimensions comply with ISO 15, JIS B 1533, and DIN 5412, and are the same dimensions as our E-type products. The allowable temperature for the bearing is 120°C for short periods and 100°C for continuous use. 【Features】 ■ World-class high load capacity ■ Allowable tilt angle ■ Allowable rotational speed ■ Standard adoption of resin retainer ■ Compatibility *For more details, please download the PDF or feel free to contact us.

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Bearing "Cross Roller Bearing"

The bearing type is open or sealed! Introducing our handled products.

The "cross roller bearing" is a compact bearing structure in which rollers are arranged orthogonally between the inner and outer rings. Due to the line contact of the rolling surfaces, the elastic displacement caused by bearing load is minimal, and it can simultaneously accommodate complex loads such as radial loads, axial loads, and moments. Additionally, it is widely used in the swiveling parts of industrial robots, machine tools, and medical devices that require compactness, high rigidity, and rotational precision. 【Features】 ■ The rolling surfaces have line contact, resulting in minimal elastic displacement due to bearing load. ■ Capable of simultaneously accommodating complex loads such as radial loads, axial loads, and moments. ■ Widely used in the swiveling parts of industrial robots, machine tools, and medical devices. *For more details, please refer to the PDF document or feel free to contact us.

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Camphora Laura Flora Catalog

Introducing our lineup of miniature cam followers and cam followers with retainers!

This catalog introduces the track rollers we handle, "Cam Followers" and "Roller Followers." It includes explanations of the structure and features of each product, as well as dimension tables for metric and inch series. We have also included a wealth of drawings and images, so please use this as a reference for selecting products. [Contents (partial)] ■ Explanation of Cam Followers ■ Metric Series Dimension Table ■ Inch Series Dimension Table ■ Cam Followers for Pallet Changers *For more details, please refer to the PDF document or feel free to contact us.

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