Machine Parts

Special Environment Linear Bearing

Linear bearings for use in special environments such as cleanroom, vacuum, corrosion-resistant, and high-temperature conditions. Selection conditions are organized using a specification survey sheet.

JTEKT Corporation

CleanPro®-RZ

Bearing for clean environments with a fluorine polymer coating, offering longer service life than standard products. Used in semiconductor and vacuum equipment.

JTEKT Corporation

CleanPro®-RB

Bearing with heat-resistant fluoropolymer coating, compatible with clean and vacuum environments at 260℃.

JTEKT Corporation

EXSEV®-FA

Basic-specification bearing with solid lubrication by a fluoropolymer cage, compatible with clean and vacuum environments.

JTEKT Corporation

HAR Series High-Performance Angular Contact Ball Bearings

Model: 3NC HAR013CA

High-speed, low-heat-generation angular contact ball bearings for machine tool spindles. Lower temperature rise and higher limiting rotational speed than conventional products.

JTEKT Corporation

Silicon Nitride Ceramic Ball (G5 NCR)

Model: 5/32 G5 NCR

Lightweight, non-magnetic, high-heat-resistant silicon nitride ceramic ball. Available in diameters from approximately 0.8 mm to 38.1 mm.

JTEKT Corporation

Combination Ceramic Bearing

Combination ceramic bearing achieving reduced torque through high-precision ceramic balls and optimized internal design. Suitable for applications such as skateboards.

JTEKT Corporation

Oni Bearing

A bearing that achieves significantly lower torque than existing bearings for road bikes, contributing to lighter starts and sustained speed.

JTEKT Corporation

Non-Magnetic Hybrid Ceramic Bearing

A bearing with non-magnetic stainless steel inner and outer rings and ceramic balls, rotating with stable torque unaffected by magnetic fields.

JTEKT Corporation

New Clean Pro-PR Cross Roller Way (CRW Series)

A cross roller way with cylindrical rollers arranged alternately and orthogonally, using two V-shaped planes as raceway surfaces. A high-precision linear motion bearing capable of receiving loads in all directions.

JTEKT Corporation

Hybrid Ceramic Bearing (Insulated, High-Speed Type)

Radial ball bearing combining silicon nitride ceramic balls with steel inner and outer rings, offering electrical insulation and high-speed rotation performance.

JTEKT Corporation

K Series Full-Ball Hybrid Ceramic Bearing (Ultra-Thin Section Type)

Angular contact bearing with alternating stainless steel and ceramic balls, based on the K Series ultra-thin section ball bearings for industrial robots, adapted for clean and vacuum applications.

JTEKT Corporation

SDM, SDMF, SDMK Series Linear Ball Bearings for Special Environments

High-precision linear ball bearings for unlimited linear motion, with balls, cage and shield built into the outer sleeve. Usable in clean and vacuum environments.

JTEKT Corporation

LWL, LWES, LWHS Series Linear Way for Special Environments

A linear motion bearing unit for clean and vacuum environments, in which the slide unit moves endlessly in a straight line along the track rail.

JTEKT Corporation

LWL Series Linear Bearing (Roller Type EXSEV Linear Bearing)

EXSEV linear bearing series with rail widths from 5 mm to 42 mm. Basic load ratings and moment values are listed by model number.

JTEKT Corporation

EXSEV-WS Heat-Resistant Tungsten Disulfide Bearing

A vacuum-compatible radial ball bearing lubricated by a tungsten disulfide separator, combining 350 ℃ heat resistance with load capacity.

JTEKT Corporation

EXSEV-MG Silver Ion-Plated Bearing

A radial ball bearing with silver ion plating on the balls, suitable for ultra-high vacuum (10-10 Pa) and ultra-high temperature environments.

JTEKT Corporation

EXSEV-PN 300℃ Heat-Resistant Bearing

Heat-resistant radial ball bearing usable up to 300℃ in vacuum, using solid lubricants such as molybdenum disulfide and a PEEK resin cage.

JTEKT Corporation

EXSEV-MO Molybdenum Disulfide Coated Cage Bearing

A 300℃-rated heat-resistant radial ball bearing with a stainless steel cage baked with molybdenum disulfide.

JTEKT Corporation

Corogard Pro Bearing-SC

A ball bearing using silicon carbide ceramics, suitable for extreme corrosive environments such as strong acids and strong alkalis.

JTEKT Corporation

Ceramic Bearing

Bearing made of silicon nitride ceramics, usable in vacuum, corrosive environments, and for non-magnetic and insulating applications.

JTEKT Corporation

Corogard Pro Bearing-ZO

A ball bearing using zirconia ceramics, offering high impact resistance and usability in corrosive solutions and water.

JTEKT Corporation

Corogard Pro Bearing-MD

A hybrid ceramic bearing combining precipitation-hardening stainless steel rings with corrosion resistance and silicon nitride balls, suitable for use in water and solutions.

JTEKT Corporation

EXSEV-SK

Ball bearing with stainless steel raceways, balls and cage, pre-packed with lithium-based grease, for environments with slight corrosion.

JTEKT Corporation

EXSEV Full-Complement Ceramic Bearing (Ultra-High Temperature Type)

A radial ball bearing with all components made of ceramics, suitable for ultra-high temperature environments of 800 ℃, as well as vacuum and clean environments.

JTEKT Corporation

EXSEV-XT High-Temperature Grease-Sealed Bearing

Heat-resistant radial ball bearing sealed with fluorine grease usable up to 300℃. Used in semiconductor and liquid crystal manufacturing equipment.

JTEKT Corporation

Clean Pro-RZ

Stainless steel radial ball bearing lubricated by a gel-like fluoropolymer film, with low particle generation, and suitable for vacuum, cleanroom and high-speed applications.

JTEKT Corporation

Clean Pro-RB

A low-dust-generating radial ball bearing usable in vacuum at temperatures up to 260℃.

JTEKT Corporation

New Clean Pro-PR

Low-particle-generation radial ball bearing with a fluoropolymer coating on all surfaces, usable up to 200°C in vacuum.

JTEKT Corporation

EXSEV-EX

A radial ball bearing filled with fluorine-based grease that complies with environmental regulations and can be used in clean, vacuum, and high-temperature environments.

JTEKT Corporation

EXSEV-FA

A solid-lubricated, low-particle-generation bearing lubricated with a fluoropolymer, compatible with clean and vacuum environments.

JTEKT Corporation

2TR… Internal Gear Type Slewing Ring Bearing for Tunnel Boring Machines

Double-row tapered roller slewing ring bearing for supporting the main cutter of tunnel boring machines. Features a large contact angle and high axial basic load rating.

JTEKT Corporation

EXSEV Bearings and Ceramic Bearings Series

A bearing series for special environments such as clean, vacuum, high-temperature and corrosive conditions, and for applications requiring special performance such as non-magnetic, insulating or high-speed operation. Includes ceramic bearings using silicon nitride and special steel bearings.

JTEKT Corporation

Thrust Self-Aligning Roller Bearings

Thrust self-aligning roller bearings with large axial load capacity and the ability to carry a certain amount of radial load. Bore diameter 100 to 1060 mm. Oil lubrication is commonly used.

JTEKT Corporation

Continuous Casting Machine Bearings (SC/SCP)

Full-complement cylindrical roller bearings for roll support in continuous casting machines. Available as free-side SC and fixed-side SCP types, accommodating roll thermal expansion and self-alignment.

JTEKT Corporation

Full Roller Thrust Tapered Roller Bearing THR Type for Screw Down

Full roller thrust tapered roller bearing for screw down of rolling mills. Dimensions vary by model number within an outside diameter range of 149 to 641 mm.

JTEKT Corporation

Full Roller Thrust Tapered Roller Bearing for Screwdown THR…X Type

Full roller thrust tapered roller bearing for screwdown, THR…X type. Dimensions vary by model number with outside diameters ranging from 149 to 900 mm.

JTEKT Corporation

Half-Ring Type Bearing Housing Unit for Continuous Casting Machines

A half-ring type bearing housing unit used for intermediate support of pinch rolls in continuous casting machines. Bore diameter class of 100 to 150 mm, with a cooling structure that rectifies water flow.

JTEKT Corporation

Cylindrical Roller Bearings for Backup Rolls of Multi-High Rolling Mills

High-precision cylindrical roller bearings with thick outer rings for backup rolls of multi-high rolling mills. Many bearing numbers are covered.

JTEKT Corporation

DTR…T Internal Gear Type Slewing Ring Bearing for Tunnel Boring Machines

Three-row combined cylindrical roller slewing ring bearing for supporting the main cutter of tunnel boring machines. Internal gear type, available in many sizes with outer diameters of 2 550 to 5 200 mm.

JTEKT Corporation

Sealed Four-Row Tapered Roller Bearings

Sealed four-row tapered roller bearings with bore diameters of 75 to 800 mm. Dimension tables by bore size, including basic load ratings and fatigue limit loads.

JTEKT Corporation

Self-Aligning Roller Bearings

Self-aligning roller bearings with bore diameters of 100 to 260 mm. Available with cylindrical and tapered bores for heavy-load and shock-load applications.

JTEKT Corporation

Double-Row Tapered Roller Bearing (Inward, Tapered Bore) TDIT Type

Double-row tapered roller bearing with a tapered bore inner ring. Multiple boundary dimension numbers listed with bore diameters from 127 to 280 mm and outside diameters. Designed to support heavy loads.

JTEKT Corporation

Double-Row Tapered Roller Bearings (Outward-Facing) TDO/TDOS Type

Double-row tapered roller bearings with outward-facing outer rings. Numerous bore numbers listed from around 100 mm to over 280 mm in bore diameter.

JTEKT Corporation

Single-Direction Thrust Ball Bearing

A ball bearing that receives axial load in one direction, with sizes of d 100 to 530 mm listed. Not suitable for high-speed rotation.

JTEKT Corporation

Single-Direction Thrust Tapered Roller Bearing

Thrust tapered roller bearing suited to large axial loads and shock loads. Sizes with bore diameters of 114.3 to 830 mm are listed.

JTEKT Corporation

Double-Row Tapered Roller Bearing (Outward-Facing) TNA Type

Double-row tapered roller bearing with outward-facing outer ring, medium size with bore diameter from 101.6 mm to approximately 400 mm.

JTEKT Corporation

Four-Row Tapered Roller Bearing TQO Type

Four-row tapered roller bearing with bore diameters from 65 mm to approximately 206.375 mm. Compatible with oil-mist lubrication.

JTEKT Corporation