We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Linear Bearings.
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Linear Bearings Product List and Ranking from 9 Manufacturers, Suppliers and Companies | IPROS GMS

Last Updated: Aggregation Period:Jan 28, 2026~Feb 24, 2026
This ranking is based on the number of page views on our site.

Linear Bearings Manufacturer, Suppliers and Company Rankings

Last Updated: Aggregation Period:Jan 28, 2026~Feb 24, 2026
This ranking is based on the number of page views on our site.

  1. MRD Saitama//Machine elements and parts
  2. 竹内精工 本社営業所 関東営業所 関西営業所 Fukushima//Machine elements and parts
  3. 株式会社HLリニアシステムジャパン Nagano//Machine elements and parts
  4. 藤川伝導機 Tokyo//Industrial Machinery
  5. 5 サンアイ 本社 Osaka//Machine elements and parts

Linear Bearings Product ranking

Last Updated: Aggregation Period:Jan 28, 2026~Feb 24, 2026
This ranking is based on the number of page views on our site.

  1. Ozack Seiko Co., Ltd. 【General Catalog】 MRD
  2. Linear bearing 竹内精工 本社営業所 関東営業所 関西営業所
  3. Linear Bearing Catalog 藤川伝導機
  4. Stainless steel linear bearing (resin retainer) 株式会社HLリニアシステムジャパン
  5. 4 Self-aligning linear bearing (plastic retainer) 株式会社HLリニアシステムジャパン

Linear Bearings Product List

1~30 item / All 51 items

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Polymer Linear Bearing "Drylin WJBMP"

Easy and quick installation possible! Reduces the energy required for driving the linear system.

The "Drylin WJBMP" is a polymer linear bearing that excels in durability, is lightweight, and achieves low cost. Due to its one-piece integrated design of the sliding part and housing, it is easy to handle from storage to installation. It uses the high-performance polymer iglidur JB, which optimizes friction and wear, and requires no lubricants or maintenance. Additionally, while it possesses impact resistance and robustness, it also has elasticity and vibration-damping properties, allowing it to absorb and disperse vibrations. 【Features】 ■ Excellent cost-effectiveness due to the integrated design from injection molding ■ Easy and quick installation ■ Superior vibration-damping properties and maintenance-free ■ Reduces energy required for driving linear systems ■ Lightweight design makes it suitable for portable applications *For more details, please refer to the PDF document or feel free to contact us.

  • Metal bearings
  • Plastic bearings
  • Linear Bearings

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Linear Bearing Comprehensive Catalog

Linear professionals! We offer a wide variety of standard linear bearings and dust-proof type linear bearings.

This catalog introduces "Linear Bearings." It features a rich lineup including "Basic Technology," "Linear Bearings," "Linear Shafts & Shaft Blocks," and more. With photos and diagrams included, it serves as a helpful reference when considering implementation. We encourage you to read it. 【Contents (partial)】 ■Basic Technology ■Linear Bearings ■Linear Shafts & Shaft Blocks ■Linear Guides ■Lead Screws *For more details, please refer to the PDF document or feel free to contact us.

  • Metal bearings
  • Plastic bearings
  • Linear Bearings

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Linear Bearing Catalog

From high reliability to low cost based on rank classification! A rich lineup is available.

We would like to introduce the "OZAK Linear Bearings" that we handle. We offer a variety of options including single, double, and triple lengths, as well as round, square, and oval flanged bearing units, rust-resistant types, various grease-filled options, and maintenance-free models to accommodate various applications. Additionally, we also have the Ultra Series, which can withstand harsh specifications and offers ultra-long life. Please feel free to contact us when you need assistance. 【Features】 ■ Wide variety ■ High reliability to low cost based on rank classification ■ Rust-resistant series ■ Series with lubrication holes ■ Maintenance-free series ■ Ultra-long life Ultra series *For more details, please refer to the PDF document or feel free to contact us.

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  • Metal bearings
  • Linear Bearings

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Linear Bearing "Ozack MF Series"

3.7 times lifespan without maintenance! Triple shield structure prevents foreign matter contamination.

The "Ozack MF Series" is a linear bearing that achieves a clean environment without the need for grease leakage measures. It features special seals all around, excelling in dust and oil supply, and the newly developed seal structure has minimized grease leakage to the utmost limit. Additionally, the standardization of rust-resistant types makes it suitable for use in environments where corrosion resistance is required. Furthermore, improvements in grease sealing and sealing performance have resulted in quieter operation. 【Features】 ■ High reliability ■ Oil-free ■ Rust-resistant ■ Sealing performance ■ Quiet operation *For more details, please download the PDF or feel free to contact us.

  • Bearings
  • Linear Bearings

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Linear Bearing Catalog

Differentiated products by linear professionals! From high reliability to low cost based on rank classification.

This catalog introduces the linear bearing-related products of Ozack Seiko Co., Ltd. It includes a wide range of items such as linear bearings, linear shafts and shaft blocks, linear guides, ball screws, ball splines, and torque units. Additionally, we provide explanations on reliability selection, load distribution under moment loading and its impact on lifespan, rated lifespan, and basic rated loads. [Contents (partial)] ■Basic Technology ■Linear Bearings ■Linear Shafts & Shaft Blocks ■Linear Guides ■Lead Screws *For more details, please download the PDF or feel free to contact us.

  • Metal bearings
  • Plastic bearings
  • Bearings
  • Linear Bearings

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[Information] Basic Knowledge of Linear Technology

The lifespan calculation formula for short strokes and a simplified ISO basic dynamic load rating calculation formula are also included!

This document introduces the basic knowledge of linear motion systems. It includes detailed information on the impact of shaft deflection on lifespan, shaft deflection calculation formulas, deformation amounts due to load on linear bearings, and Hertzian stress, along with diagrams and charts. Additionally, as a technical introduction, it features a dimension table for retaining rings for the outer diameter of linear bearings and a hardness conversion table, making it a useful reference book. 【Contents (partial)】 ■ Differentiated products by linear motion professionals (RA, RB, RC) ■ Selection of reliability (rank classification) ■ Load distribution and its impact on lifespan under moment loading ■ Rated lifespan and basic rated load ■ Lifespan formula with high reliability and minimum lifespan based on the three-parameter Weibull distribution *For more details, please download the PDF or feel free to contact us.

  • Metal bearings
  • Linear Bearings

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Linear bearing

High precision and compact lightweight design! Extremely low noise during movement, providing a smooth environment for the ball!

"Linear bearings" allow for smooth circulation of 4 to 6 rows of balls within a narrow circuit while bearing loads, enabling compact design along with the miniaturization of power sources and drive mechanisms. When used in combination with high-precision "TSK linear shafts," this product provides precise and smooth linear motion, making it possible to reduce the size and weight of machinery. [Features] - Compact design - Compatibility - Low noise - High precision and lightweight - Long lifespan *For more details, please refer to the PDF document or feel free to contact us.

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SFERAX Corporation Compact Ball Bush Type HL

Type HL was developed to propose compact linear bearings suitable for high loads. The high permissible temperature is also suitable for injection molding molds.

SFERAX Type HL Type HL has been developed to propose linear bearings suitable for high loads and high radial torque. This makes it very suitable for vertical applications. The three (external) grooves facilitate mounting, and the high permissible temperature is also ideal for injection molding molds. Accuracy BA = standard grade A = premium grade *XA/ZA (precision grade) is also available upon request. Permissible temperature Without seal: -30 to +200°C With seal: -30 to +100°C Protection Nitrile seal

  • Metal bearings
  • Linear Bearings

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Flange long (center type) with electroless nickel plating.

It is a long-type linear bearing (ball bush) with an oval-shaped center flange.

Flanged linear bearings (ball bushes) are easy to install and contribute to overall cost reduction. The surface is treated with electroless nickel plating to enhance rust resistance.

  • Metal bearings
  • Linear Bearings

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A wide range of products in our lineup! Comprehensive catalog of linear bearings.

A comprehensive catalog featuring a wide variety of linear bearings and related components.

This is a comprehensive catalog featuring a wide range of products including linear bearings, housings, and shaft supports. In particular, flange-mounted linear bearings (ball bushes) are easy to install and can reduce total costs. We offer a broad lineup of products suitable for various specifications and applications, ranging from general environments to high temperature, clean, food, and medical uses. Currently, we are providing free samples of linear bearings. Please feel free to contact us as there are limitations on the available sample products and quantities. 【Features】 - High precision and low cost - Rust prevention effect - Free samples of linear bearings available - Ball material can be changed from SUJ2 (high carbon steel) to SUS440C (stainless steel) - Compliant with RoHS directives For more details, please download the catalog or contact us.

  • Plastic bearings
  • Metal bearings
  • Linear Bearings

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Stainless steel linear bearing (resin retainer)

It is particularly suitable for environments with corrosion from water, steam, sulfuric acid, etc., and for use in vacuum conditions.

"Stainless Steel Linear Bearings (with Resin Retainer)" are particularly suitable for corrosive environments such as water, steam, and sulfuric acid, as well as for vacuum applications. The model configuration options include no seal, single seal, and double seal. The material composition consists of an outer tube made of SUS440C, a retainer made of resin (POM), balls made of SUS440C, and ring seals made of nitrile rubber. We offer products with a ball row count of 4 to 6, an inner diameter of 10 to 30 mm, an outer diameter of 19 to 45 mm, and a total length of 29 to 64 mm. For more details, please contact us or refer to the catalog.

  • Plastic bearings
  • Metal bearings
  • Linear Bearings

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Slim type linear bearing (resin retainer)

A type with compact dimensions and an increased number of ball rows to improve load capacity.

The "slim type linear bearing (with resin retainer)" is a compact design that increases the number of ball rows to enhance load capacity. The material composition includes an outer cylinder made of SUS440C, a retainer made of resin (POM), balls made of SUJ2, and a ring seal made of nitrile rubber. The product lineup includes models with 4 to 9 rows of balls, weights ranging from 11.3 to 250g, inner diameters from 8 to 50mm, outer diameters from 15 to 62mm, and overall lengths from 24 to 70mm. For more details, please contact us or refer to the catalog.

  • Plastic bearings
  • Metal bearings
  • Linear Bearings

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Self-aligning linear bearing (plastic retainer)

The inner diameter has a structure that allows for automatic adjustment, and the gap with the shaft is automatically adjusted.

"Self-aligning linear bearings (with resin retainers)" have a structure that allows for automatic adjustment of the inner diameter, automatically adjusting the gap with the shaft. The sliding action is smooth and suitable for high load capacities. The material composition includes a resin (POM) for the outer cylinder and retainer, and SUJ2 for the balls and plates. We offer products with 5 to 6 ball rows, inner diameters ranging from 16 to 50 mm, outer diameters from 28 to 80 mm, and overall lengths from 37 to 100 mm. For more details, please contact us or refer to our catalog.

  • Plastic bearings
  • Metal bearings
  • Linear Bearings

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Linear bearing round flange short type (in-low)

The surface is treated with electroless nickel plating to enhance rust prevention.

The "Round Flange Short Type (In-Low)" is a flange-equipped linear bearing suitable for compact and space-constrained applications. The surface is treated with electroless nickel plating to enhance rust prevention. The material composition of the parts includes an outer tube made of SUJ2, a retainer made of resin (POM), balls made of SUJ2, and a ring seal made of nitrile rubber. We offer products with a ball row count of 4 to 6, an inner diameter of 6 to 60 mm, an outer diameter of 12 to 90 mm, and a total length of 19 to 110 mm. For more details, please contact us or refer to the catalog.

  • Plastic bearings
  • Metal bearings
  • Linear Bearings

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Linear bearing corner flange long type (end face)

Incorporates two resin holders. The allowable load and moment have increased compared to the short type.

The "Corner Flange Long Type (End Face)" is a flange-mounted linear bearing that features two resin retainers, resulting in increased allowable load and moment compared to the short type. The surface is treated with electroless nickel plating to enhance rust prevention. The material composition includes an outer cylinder made of SUJ2, a retainer made of resin (POM), balls made of SUJ2, and a ring seal made of nitrile rubber. We offer products with a ball row count of 4 to 6, an inner diameter of 6 to 30 mm, an outer diameter of 12 to 45 mm, and a total length of 35 to 123 mm. For more details, please contact us or refer to the catalog.

  • Plastic bearings
  • Metal bearings
  • Linear Bearings

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Linear bearing round flange long type (end face)

Incorporates two resin holders. The allowable load and moment have increased compared to the short type.

The "Round Flange Long Type (End Face)" is a flange-mounted linear bearing that features two resin retainers, allowing for increased permissible load and moment compared to the short type. The surface is treated with electroless nickel plating to enhance rust resistance. The material composition includes an outer cylinder made of SUJ2, a retainer made of resin (POM), balls made of SUJ2, and a ring seal made of nitrile rubber. We offer products with a ball row count of 4 to 6, an inner diameter of 6 to 30 mm, an outer diameter of 12 to 45 mm, and a total length of 35 to 123 mm. For more details, please contact us or refer to the catalog.

  • Plastic bearings
  • Metal bearings
  • Linear Bearings

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Linear bearing square flange long type (center)

Incorporates two resin holders. The allowable load and moment have increased compared to the short type.

The "Long Type Flange (Center)" is a flange-mounted linear bearing that has two resin retainers incorporated, allowing for increased permissible load and moment compared to the short type. The surface is treated with electroless nickel plating to enhance rust prevention. The material composition of the parts includes SUJ2 for the outer cylinder, resin (POM) for the retainer, SUJ2 for the balls, and nitrile rubber for the ring seal. We offer products with a ball row count of 4 to 6, an inner diameter of 6 to 30 mm, an outer diameter of 12 to 45 mm, and a total length of 35 to 123 mm. For more details, please contact us or refer to the catalog.

  • Plastic bearings
  • Metal bearings
  • Linear Bearings

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Linear bearing oval flange long type (center)

Incorporates two resin holders. The allowable load and moment have increased compared to the short type.

The "Oval Flange Long Type (Center)" is a flange-mounted linear bearing that has two resin retainers built in, allowing for increased permissible load and moment compared to the short type. The surface is treated with electroless nickel plating to enhance rust prevention. The material composition of the parts includes SUJ2 for the outer tube, resin (POM) for the retainer, SUJ2 for the balls, and nitrile rubber for the ring seal. We offer products with a ball row count of 4 to 6, an inner diameter of 6 to 30 mm, an outer diameter of 12 to 45 mm, and a total length of 35 to 123 mm. For more details, please contact us or refer to the catalog.

  • Plastic bearings
  • Metal bearings
  • Linear Bearings

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Ozack Seiko Co., Ltd. 【General Catalog】

We have a wide range of linear bearings, roller guides, and more from Ozac Seiko Co., Ltd. available for handling!

This catalog is a comprehensive catalog featuring a wide range of products from Ozaki Seiko Co., Ltd., a manufacturer of linear bearings and a subsidiary of MRD. It includes various products such as "linear bearings," "standard shaft end processing," "linear guides," "roller guides," and "lead screws." Additionally, it provides basic knowledge on differentiated products by linear professionals and the selection of reliability. 【Featured Products (Excerpt)】 ■ Basic Knowledge ■ Linear Bearings ■ Linear Shafts & Shaft Blocks ■ Linear Guides ■ Lead Screws ■ Linear Torque *For more details, please refer to the PDF document or feel free to contact us.

  • Company:MRD
  • Price:Other
  • Other machine elements
  • Metal bearings
  • Linear Bearings

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Technical Data: Deformation Amount and Hertz Stress Due to Load on Linear Bearings

Introducing the deformation amount and Hertz stress due to the load acting on linear bearings in an easy-to-understand manner with diagrams and graphs!

In this document, we have published information on "Deformation and Hertz Stress due to the Load Acting on Linear Bearings." Additionally, we will introduce "Preload" and "Usage Precautions." Please make use of this information. MRD Corporation, as a professional in linear technology, is producing products that meet the increasingly diverse needs of our customers. 【Overview of Publication】 ■ Deformation and Hertz Stress due to the Load Acting on Linear Bearings ■ Preload ■ Usage Precautions *For more details, please refer to the PDF document or feel free to contact us.

  • Company:MRD
  • Price:Other
  • Metal bearings
  • Linear Bearings

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Technical Data: Linear Bearing Outer Diameter Retaining Ring Dimension Table

Introducing the "nominal diameter" of each bearing, as well as "reference dimensions," "tolerances," and more!

In this document, we have published the "Dimension Table for Snap Rings for the Outer Diameter of Linear Bearings." We introduce various specifications, including the "nominal diameter" of each bearing, "reference dimensions," "tolerances," and "maximum diameter when fitting into the bearing." Additionally, we have also included the "Dimension Table for Snap Rings for Linear Bearing Housings." Please make use of this information. [Publication Overview] ■ Dimension Table for Snap Rings for the Outer Diameter of Linear Bearings ■ Dimension Table for Snap Rings for Linear Bearing Housings *For more details, please refer to the PDF document or feel free to contact us.

  • Company:MRD
  • Price:Other
  • Metal bearings
  • Linear Bearings

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Technical Data: Rated Life and Basic Rated Load

This is an introduction to the calculation formulas for minimum lifespan and lifespan during short strokes using the 3-parameter Weibull distribution.

This document includes information on the "rated life and basic rated load" of linear bearings. We introduce topics such as "minimum life based on the 3-parameter Weibull distribution," "formulas for calculating basic dynamic (C) and static (Co) rated loads according to ISO standards," and "life calculation formulas for short strokes." MRD Corporation, as a professional in linear technology, is producing products that meet the increasingly diverse needs of our customers. [Overview of Contents] ■ Minimum life based on the 3-parameter Weibull distribution for higher reliability ■ Formulas for calculating basic dynamic (C) and static (Co) rated loads and ISO standards ■ Life calculation formulas for short strokes ■ Load distribution and its impact on life under moment loading ■ Structure and features of linear bearings ■ Types of linear bearings and corresponding model number symbols/rank correspondence table *For more details, please refer to the PDF document or feel free to contact us.

  • Company:MRD
  • Price:Other
  • Metal bearings
  • Linear Bearings

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Technical Data: Differentiated Products by Linear Professionals

Linear Bearing Reliability Design Selection Criteria by Rank (RA to RD)

In this document, we present a graph based on extensive durability test results that outlines the selection criteria for linear bearing reliability design ranks (RA to RD). 【Overview】 For the selection of linear bearing reliability, we can categorize them into four ranks: ■ Rank A: U Ultra Series (Ultra Long Life) ■ Rank B: MF Series (Maintenance Free) ■ Rank C: G Series (Grease Filled) ■ Rank D: Standard A wide range of selections can be made depending on the application. *For more details, please refer to the PDF document or feel free to contact us.

  • Company:MRD
  • Price:Other
  • Metal bearings
  • Linear Bearings

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Technical Data: Guidance on Calculating Basic Dynamic Load Ratings for Linear Bearings and Linear Guides

Here is the formula for calculating the basic dynamic load rating of linear ball bearings.

In ISO, the basic dynamic load rating calculation formula for general rolling bearings uses the "Lundberg-Plamgren (1947)" theory, and similarly, experimental formulas are used for linear ball bearings as well. Therefore, this document includes the "calculation formula for basic dynamic load ratings of linear bearings and linear guides." It also introduces the "simplified ISO basic dynamic load rating calculation formula" and the "basic static load ratings for ball bushes and ball guides." Please make use of it. 【Overview】 ■ Guidance for calculating the basic dynamic load ratings (ISO) of linear bearings and linear guides ■ Simplified ISO basic dynamic load rating calculation formula ISO14728-1 (2004) ■ Basic static load ratings for ball bushes and ball guides ISO14728-2 (2004) *For more details, please refer to the PDF document or feel free to contact us.

  • Company:MRD
  • Price:Other
  • Metal bearings
  • Linear Bearings

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Ultra Linear Bearing "U Series"

High reliability under harsh moment loads! Significantly reduce maintenance costs.

Under usage conditions where moment loads are applied, such as vertical use with cantilever support, several times to over a dozen times the load acts on the linear bearings, which can lead to early failure. To address this issue, the 'U Ultra Series' has been developed through years of research. It is compatible with almost all of our linear bearing series, and since the outer dimensions remain unchanged, it allows for an ultra-long lifespan that is 18.5 times longer than conventional products, leveraging our accumulated experience and processing technology without the need for design changes. 【Features】 ■ Achieves an ultra-long lifespan 18.5 times longer than conventional products ■ Reliable performance even under harsh usage conditions ■ Compatible with almost all of our linear bearing series ■ No design changes required as outer dimensions remain the same *For more details, please refer to the PDF document or feel free to contact us.

  • Company:MRD
  • Price:Other
  • Metal bearings
  • Contract manufacturing
  • Linear Bearings

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Maintenance-free linear bearing "MF Series"

No maintenance required and 3.7 times longer lifespan! Triple shield structure prevents foreign matter contamination.

The "Ozack MF Series" is a linear bearing that eliminates the need for grease replenishment, thereby reducing maintenance costs. It features special seals all around, excelling in dust and oil supply, and the newly developed seal structure significantly reduces grease leakage. When combined with CG (clean-compatible grease), it is suitable for clean environments; with VG (vacuum grease), it is suitable for vacuum environments; with HG (high-temperature and low-temperature grease), it is suitable for high and low-temperature environments; and with FG (food equipment grease), it is ideal for use in food equipment. 【Features】 ■ The newly developed seal structure significantly prevents grease leakage. ■ Lubrication performance is improved and can be maintained over a long period. ■ Rust-resistant types are standardized, making them suitable for use in corrosive environments. ■ The special seals have functions for retaining and supplying lubricating oil, as well as preventing foreign object intrusion. ■ The incorporation of grease and improved sealing performance results in quieter operation. *For more details, please refer to the PDF materials or feel free to contact us.

  • Company:MRD
  • Price:Other
  • Metal bearings
  • Contract manufacturing
  • Linear Bearings

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Linear bearing with clamp "LFW-C Series"

Compatible shaft diameter Φ16 to Φ50! A diverse lineup including square flanges and long types.

The "LFW-C Series" is a clamp-type linear bearing that can accommodate shaft diameters from Φ16 to Φ50. It is compatible with rust-resistant types, the MF series, and the long-life ultra series. Additionally, the clamp material can be selected from two types according to the environment. Please feel free to contact us when you need assistance. 【Product Lineup (Partial)】 ■ Compatible Shaft Diameters: Φ16 to Φ50 ・LFW-C ・LFWK-C ・LFW-OH-C ・LFWK-OH-C *For more details, please refer to the PDF document or feel free to contact us.

  • Metal bearings
  • Linear Bearings

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Linear Bearing "Ultra Series"

Linear bearings that demonstrate high reliability under harsh moment loads.

We handle the "Ultra Series" from Ozac Seiko Co., Ltd., which demonstrates high reliability even under harsh usage conditions. It achieves an 18.5 times longer lifespan compared to conventional products, significantly reducing maintenance costs. It is used in a wide range of fields, including automation equipment in the automotive industry, food factories, and the semiconductor industry. Please feel free to consult us if you have any requests. *For more details, please download the PDF or feel free to contact us.

  • Metal bearings
  • Linear Bearings

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Linear bearing with clamp 'LFW-C series'

The corresponding shaft diameter is Φ16 to Φ50! A diverse lineup including square flanges and long types.

We would like to introduce our clamp-type linear bearings, the 'LFW-C Series'. These are available in a rust-resistant type, compatible with the MF series and long-life ultra series. We offer a diverse lineup including square flanges and long types. Additionally, the clamp material can be selected from two types to suit your environment. Please feel free to contact us if you have any requests. 【Partial Lineup】 ■ LFW-C (rust-resistant type, compatible with U ultra series) ■ LFW-OH-C (rust-resistant type, compatible with U ultra series) ■ LFWB-C (rust-resistant type, compatible with MF series and U ultra series) ■ LFWLB-C (rust-resistant type, compatible with MF series and U ultra series) ■ LFWK-C (rust-resistant type, compatible with MF series and U ultra series) *For more details, please download the PDF or feel free to contact us.

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  • Metal bearings
  • Linear Bearings

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Linear Bearing Catalog

From high reliability to low cost based on rank classification! Introducing our rust prevention series and series with oiling holes, among others.

This catalog introduces OZAK's "Linear Bearings." We offer a variety of options including single, double, and triple lengths, as well as round, square, and oval flange-bearing units that correspond to these lengths. We also feature rust-resistant types, various grease-filled options, maintenance-free models, and the ultra-long-life Ultra Series that can withstand harsh operating conditions. We have presented this information clearly using diagrams, so please feel free to download and take a look. 【Featured Products (Partial)】 ■ Standard Linear Bearings ■ Rust-Resistant Linear Bearings ■ Linear Bearings with Oil Holes ■ European Size Linear Bearings ■ Double Linear Bearings *For more details, please download the PDF or feel free to contact us.

  • Metal bearings
  • Linear Bearings

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