日本ベアリング List of Products and Services

The slide screw "SS type" is a unique drive device that effectively utilizes the friction between radial ball bearings and the shaft to convert rotational motion into linear motion. Since it uses a round shaft, it can easily accommodate long strokes, and its simple mechanism makes maintenance easy and installation straightforward. Additionally, it can be used without lubrication. Thanks to the overload prevention mechanism, in the event of an abnormal overload, it will stop due to slipping, thereby preventing accidents before they occur. 【Features】 ■ Linear drive possible with a round shaft ■ High mechanical efficiency ■ Usable without lubrication ■ Overload prevention mechanism *For more details, please refer to the catalog or feel free to contact us.

• Other conveying machines

The "BG type" is a compact single-axis actuator that integrates a linear guide and a precision ball screw. By adopting a guide rail and placing a slide block that combines the functions of a guide block and a ball screw nut on the inside, it allows for a significant reduction in space compared to conventional positioning tables. Additionally, the U-shaped guide rail has high rigidity against bending moments and deflection, making it suitable for cantilever structures and as a structural component in machines and equipment. Furthermore, the linear motion section employs a structure that bears loads with four rows, achieving a large load capacity along with high precision and high rigidity. 【Features】 ■ No adjustment required ■ High rigidity ■ High precision ■ Space-saving *For more details, please refer to the catalog or feel free to contact us.

• Other conveying machines

The NB Slideway Series is a non-recirculating linear motion bearing that uses precision rollers. The friction resistance is extremely low, with almost no difference between static and dynamic friction, allowing for precise following of micro-feed movements and achieving high-precision linear motion mechanisms. Additionally, due to the very small variation in friction resistance even under light loads, stable operation is possible from low to high speeds. It is mainly used in optical devices and measuring instruments that require high precision. 【Features】 ■ Optimal for micro-feed ■ Low-speed stability ■ High rigidity and high load capacity ■ Low noise ■ All stainless steel *For more details, please refer to the catalog or feel free to contact us.

• Other conveying machines

The NB slide shaft is a round shaft used in combination with slide bushes. It is made from high carbon chromium bearing steel (SUJ2) and martensitic stainless steel (equivalent to SUS440C), and undergoes annealing, quenching, and tempering processes. We also offer the "Freedom S" series, which standardizes general specifications and provides products that can be delivered in a short lead time. 【Features】 ■ Advanced processing technology ■ Excellent wear resistance ■ Products available for short lead times ■ Wide variety of options *For more details, please refer to the catalog or feel free to contact us.

• Other conveying machines

The Stroke Bush "SR Type" has a structure that allows the balls in the retaining holder's through holes to rotate smoothly. In addition to linear motion, it can perform rotational motion, is compact, and can withstand large loads. The wear-resistant retaining holder is made of lightweight alloy and smoothly follows high-speed and high-acceleration movements. While the linear motion direction is limited in stroke, it operates with extremely low friction resistance and is smooth in combined rotational and linear movements, making it convenient for various devices. 【Features】 ■ High precision ■ Easy to install and replace ■ Lightweight and space-saving ■ Easy lubrication design *For more details, please refer to the catalog or feel free to contact us.

• Other conveying machines

The top ball is a linear motion mechanism that utilizes the rolling motion of the ball. The ball contact trajectory surface of the load plate is precisely ground into a circular arc shape, allowing for approximately three times the load capacity and about 27 times the lifespan compared to conventional products. Additionally, the product enables excellent high-speed performance, with a motion speed of up to 3 m/s. It is used in various fields such as FA equipment, machine tools, electrical devices, optical instruments, and measuring instruments. 【Features】 ■ High load capacity and long lifespan ■ Automatic self-alignment ■ High-speed compatibility ■ Gap adjustment *For more details, please refer to the catalog or feel free to contact us.

• Other conveying machines

The slide bush is a linear motion mechanism that utilizes the rolling motion of balls. Since it uses a round shaft for guidance, space can be effectively utilized, making it suitable for compact mechanism design. It provides low-friction linear motion with a simple mechanism, and is used in a wide range of applications such as conveying equipment, food machinery, and semiconductor manufacturing equipment. We offer a variety of shapes and specifications, allowing you to choose according to your environment. 【Features】 ■ Compact mechanism with effective use of space ■ Diverse shapes and mounting methods ■ Options available to suit the environment ■ Compatibility ■ Low friction *For more details, please refer to the catalog or feel free to contact us.

• Other conveying machines

A ball spline is a linear motion mechanism that utilizes the rolling motion of balls. The raceway is precisely ground to an R shape approximating the diameter of the steel balls, resulting in a large contact area for the steel balls, which provides high load capacity and long lifespan. Additionally, the outer cylinder is compact and well-balanced, demonstrating sufficient performance even during high-speed motion or high-speed rotation. Due to its ability to simultaneously bear radial loads and torque, it is used in a wide range of fields, such as conveying devices and robots. 【Features】 ■ High load capacity and long lifespan ■ Abundant variations ■ High-precision torque transmission ■ Easy additional processing ■ Capable of high-speed motion and high-speed rotation *For more details, please refer to the catalog or feel free to contact us.

• Other conveying machines

You can view the catalog of all NB products in PDF format. The catalog includes various information for each product, such as an overview, drawings, precision, pre-load, and life calculations. *This catalog is a digest version. For those who wish to receive the complete version, please click here. https://www.nipponbearing.com/product_main/products_catalog.html

• roller

The ball spline is a linear motion mechanism that utilizes the rolling motion of balls. It can simultaneously bear radial loads and torque, making it suitable for a wide range of applications such as transport devices and robots. Among them, the 'SSP-AM type' features a compact outer cylinder while maintaining the same shaft diameter compared to the conventional SSP type, making it ideal for chip mount heads and multi-link uses. Additionally, we also offer a corrosion-resistant version. 【Features】 ■ High load capacity and long lifespan ■ Easy additional processing ■ Capable of high-precision torque transmission ■ Enables high-speed motion and high-speed rotation For more details, please contact us or download the catalog.

• shaft

The Rotary Ball Spline "SPB-KP Type" features a spline outer cylinder and a rotating part with an angular contact structure integrated into one unit, allowing for a compact mechanism that can simultaneously perform linear and rotational motion with high precision, high rigidity, and high-speed rotation. 【Features】 ■ High precision ■ Compact ■ Capable of high-speed motion and high-speed rotation ■ Significant reduction in the number of parts and installation/processing costs ■ Extensive lineup For more details, please contact us or download the catalog.

• shaft

The ball screw spline consists of a shaft that has both a ball screw and spline groove, and is composed of a high-rigidity, high-precision ball screw nut and ball spline outer cylinder. The 'SPBR type' combines a rotary ball screw nut and rotary ball spline outer cylinder that integrates a high-speed rotating angular contact component. The 'SPBF type' combines a rotary ball screw nut and ball spline outer cylinder. 【Features】 ■ Capable of "positioning," "linear motion," and "rotational motion" with a single axis ■ Usable in various machines such as spiral motion devices, scalar robots, assembly machines, and loaders For more details, please contact us or download the catalog.

• shaft

The "NVS-RNS type" is a roller system that adds an all-stainless steel specification to the NV type stud roller system (with a riveted roller structure). The contact length between the roller and the track surface has been increased by 30-55% compared to the conventional SV type. By reducing the roller pitch and increasing the number of rollers, we have achieved a high load capacity of 1.4 to 2.6 times that of the same size SV type at rated load. 【Features】 ■ Slip prevention function between the roller and the track base allows for use in any position ■ Supports high acceleration and deceleration ■ Made entirely of stainless steel, ideal for special environments such as corrosion resistance, heat resistance, and vacuum ■ Excellent high rigidity and high load capacity For more details, please contact us or download the catalog.

• roller

The miniature slide "SYBS type" is the most compact finite stroke slide with a two-row track groove configuration. It utilizes balls as rolling elements in a linear bearing, achieving an ultra-compact design that contributes to the miniaturization and weight reduction of various industrial machines and equipment. 【Features】 ■ Ultra-compact design ■ Low friction and low noise ■ High precision ■ Made of all stainless steel For more details, please contact us or download the catalog.

• Other machine elements

The slide bush is a linear motion mechanism that utilizes the rolling motion of balls. Due to its simple mechanism, it achieves low-friction linear motion and is used in a wide range of applications, including conveyor systems, food machinery, and semiconductor manufacturing equipment. The 'TQF-E type and TQK-E type' are lineups of single and double flange types with grease nipples, which were previously only available in triple flange types. They are now easier to use and significantly reduce maintenance effort. 【Features】 ■ With grease nipple ■ Easy lubrication ■ Single and double flange types ■ Reduced maintenance burden For more details, please contact us or download the catalog.

• Other machine elements

The positioning table "NTX type" is a slim alignment stage that arranges drive elements in the XY direction and θ direction on the same plane. 【Features】 - Drive elements for linear motion and rotational motion are arranged on the same plane - Free setting of the rotation center position is possible - Custom specifications available to accommodate size, stroke, through holes, and other applications For more details, please contact us or download the catalog.

• Other machine elements

The slide bush is a linear motion mechanism that utilizes the rolling motion of balls. Due to its simple mechanism, it achieves low-friction linear motion and is used in a wide range of applications such as conveyor systems, food machinery, and semiconductor manufacturing equipment. We have added the "TRT type," a double-sided flange type, to the slide bush triple flange type. This is effective for use in narrow spaces and for multi-link installations. 【Features】 ■ Suitable for narrow spaces where round and square flanges cannot fit. For more details, please contact us or download the catalog.

• Other machine elements

The Rotary Ball Spline "SPB Type" features an integrated structure of the spline outer cylinder and the angular contact rotating part, allowing for a compact mechanism that can simultaneously perform linear and rotational movements with high precision, high rigidity, and high-speed rotation. 【Features】 ■ High precision ■ Compact ■ Capable of high-speed movement and high-speed rotation ■ Can perform linear and rotational movements simultaneously For more details, please contact us or download the catalog.

• shaft

The top ball "TMF type / TMA type" is a linear motion mechanism that utilizes the rolling motion of balls. It features automatic self-alignment not found in conventional products and is used in a wide range of applications including FA equipment, machine tools, electrical devices, optical instruments, and measuring instruments. 【Features】 ■ Approximately three times the load capacity and about 27 times the lifespan compared to slide bushes ■ High-speed compatibility of 5 m/sec ■ Automatic self-alignment For more details, please contact us or download the catalog.

• Drill press

The positioning table is a general-purpose precision positioning table driven by a pulse motor that supports high speed and high precision. The 'NX type' has been finished as a wide type with increased moment rigidity in the rolling direction. 【Features】 ■ Increased moment rigidity in the rolling direction ■ Effective for positioning accuracy in dual-axis use ■ Increased rigidity for wall-mounted use For more details, please contact us or download the catalog.

• Other machine elements

Positioning accuracy of 3μm or less, achieving a repeat positioning accuracy of ±0.2μm!

• Other conveying machines

The slide way "NV type / NVT type" is a non-recirculating linear motion bearing that uses precision rollers. It is mainly used in optical devices and measuring instruments that require high precision.

• Other conveying machines

The Slide Rotary Bush "SRE type" allows for significant compactness compared to conventional methods that combine linear motion bearings and rotary bearings. A retainer is incorporated into a cylindrical steel outer ring, and the linear guide of the retainer is designed and manufactured to enable smooth circulation of the balls. Additionally, since the retainer is structured to rotate freely in the radial direction, smooth linear and rotational motion can be achieved. For more details, please contact us or refer to the catalog.

• Metal bearings

The Stroke Bush "SR type" smoothly follows high-speed rotational motion. The linear motion part utilizes the Slide Bush SM type, allowing for stable linear movement. Additionally, it uses large balls, enabling it to withstand high loads. The structure allows for complex motion functions of linear and rotational movement without constraints, achieving significant compactness compared to conventional methods that use a combination of linear motion bearings and rotational bearings. For more details, please contact us or refer to the catalog.

• Metal bearings

The Gonioway "RV/RVF type" is mainly used in optical instruments and measuring devices that require high precision, such as when it is necessary to change the inclination without altering the position of the rotation center or when an accurate angle of inclination is needed. Precision rollers are used as rolling elements, and since it is a non-circulating type, there is little variation in friction resistance, allowing for extremely low friction resistance in curved motion. For more details, please contact us or refer to the catalog.

• Other machine elements