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Adapter sleeves, locknuts, lock washers or lock plates are often being used to facilitate the fitting of the bearing on a shaft. These accessories make it easier to (re)assemble the bearing.

Features & Benefits:

Our locknuts are standardized in JIS which enables the engineer to use it with adapter sleeves, withdrawal sleeves or shafts.
Lock washers are suitable for bearings with a bore diameter of 40 or lower.
Locknuts are suitable for bearings with a bore diameter of 44 or higher.

FAQ

What is a tapered roller bearing?

A tapered roller bearing is a bearing in which tapered rollers (truncated conical rollers) are inserted between the cup (outer ring) and cone (inner ring). The rollers are guided by the cone back face rib.

They have high radial and axial (thrust) load capacities at low to intermediate speeds. Taper roller bearings are available in single-row, two-row and four-row designs. With single-row bearings, the thrust load capacity is about 60% of the radial capacity. Double-row bearings have a greater radial load capacity and can handle thrust loads from both directions. The rollers can be configured so that the contact lines to the races converge or diverge towards the axis of rotation. Diverging double-row bearings increase the rigidity of the shaft mounting, but converging bearings do not. Other configurations for double-row bearings feature a single outer ring and two inner rings, or two outer rings and a single inner ring. Four-row tapered roller bearings consist of four rows of alternating converging and diverging rollers.

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Angular contact ball bearing

Available as Single or Double row, Matched Pair and Four Point Contact. Designed for high accuracy and excellent high-speed performance. Angular contact ball bearings are designed to carry combined loads: both axial and radial.

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Deep groove ball bearing

JTEKT manufactures a large range of deep groove ball bearings. They are available in a variety of sizes, and are the most popular of all rolling bearings. This type of bearing supports radial and a certain degree of axial load in both directions simultaneously.

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Cylindrical roller bearing

Available as Single, Double or Four Row. Features include thrust collars, parallel or tapered bore and lubrication holes and grooves. This type of bearings feature high radial load capacity as the rollers and raceway are in linear contact. Our cylindrical bearings are equally suitable for heavy radial and impact loading.

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Spherical roller bearing

These types of bearings are self-aligning and feature a large load rating capacity. Therefore, spherical roller bearings are suitable for low/medium speed applications which involve heavy or impact loading. They come with cylindrical or tapered bores and can be supplied with adapter assemblies as well as withdrawal sleeves.

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Tapered roller bearing

Available as single or double row, in metric and inch sizes, they can be produced as either TDO (one double cup and two single row cones) and TDI (one double cone and two single row cups). This type of bearings is designed so that the cups, cones and rollers have tapered surfaces whose apexes converge at a common point on the bearing axis. This type is suitable for applications involving heavy or impact loading.

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Thrust ball bearing

Thrust ball bearings are divided into single and double direction types. The former is able to accommodate axial load in one direction, while the latter is able to accommodate it in both directions. Neither is suitable for applications that involve radial load or high-speed rotation.

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Super precision bearing

JTEKT continually offers the best technologies, quality, and services, through inspiration from the market and putting efforts into research and technical developments. We offer a wide range of Koyo super precision ball bearings which are being used for the most demanding applications such as machine tools and ball screw shafts.

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Exsev and ceramic bearing

The Ceramic and EXSEV Bearings are designed for applications operating in extreme special environments where conventional bearings are not suitable for. These bearings have an optimal operation in extreme environments like clean, vacuum, high temperature, corrosive and contaminating conditions. They are already being used in an extensive range of applications and state of the art technologies.

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Needle roller bearing

Needle roller bearings are an economical alternative for applications requiring minimal space to carry a given load at a desired speed. They can be an ideal choice because of their ability to handle a given level of speed and load capacity, yet have the smallest cross section of all roller bearing types.

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Ball bearing unit

Ball bearing units consists of pre-lubricated sealed ball bearings and a housing which varies in shape. They are capable of aligning themselves efficiently using the spherical fitting surface between the bearing and housing, effectively preventing overloads due to misalignment.

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Other

Adapter sleeves, locknuts, lock washers or lock plates are often being used to facilitate the fitting of the bearing on a shaft. These accessories make it easier to (re)assemble the bearing.

By Product Group

Automotive bearings

JTEKT offers a vast range of bearings for the automotive industry including various types of tapered roller bearings, JTEKT offers a vast range of bearings for the automotive industry including various types of tapered roller bearings, needle roller bearings, thrust bearings, ball bearings, angular contact bearings, spherical roller bearings, cylindrical roller bearings, thrust roller bearings etc.

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Solid Lubrication Technology

Koyo solid lubrication is an alternative lubricant for bearings. It was developed by Koyo for applications where oil or grease does not provide the best lubricant solution.

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