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Single-Direction Thrust Ball Bearing

単式スラスト玉軸受 / JTEKT Corporation (Official website) / Listed on page 206 of the document

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.

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Single-Direction Thrust Ball Bearing on page 206 of JTEKT Corporation "JTEKT 大形転がり軸受カタログ（技術解説・軸受寸法表）"
Source: JTEKT Corporation「JTEKT 大形転がり軸受カタログ（技術解説・軸受寸法表）」page 206
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Specifications

Inner diameter d 100～530 mm
Contact Angle α 90 度

How to choose Rolling Bearings

Points to check when selecting, with the values for this product (Single-Direction Thrust Ball Bearing).

  1. 1. Bore and housing bore dimensions

    This product: Inner diameter d 100～530 mm

    Select the bore diameter d to match the shaft seat, the outside diameter D to match the housing bore, and the width B to suit the installation space. Main dimensions are standardized in ISO and JIS dimension series, so interchangeable products can be found by boundary dimension designation. For tapered roller bearings, also check the assembled width T; for thrust bearings, also check the height H.

  2. 2. Dynamic load rating based on life calculation

    The basic dynamic load rating Cr is the reference value for calculating rated life. Verify that the required life is met using the equivalent load during operation and the rotational speed. For ball bearings, life is proportional to the cube of the load ratio, so providing load margin greatly extends life.

  3. 3. Margin for static and shock loads

    The basic static load rating C0r is the allowable standard for permanent deformation generated at the rolling elements and raceways under stationary or low-speed conditions. For applications with oscillating motion or shock loads, confirm that a static safety factor against the maximum load is secured using C0r.

  4. 4. Operating speed and lubrication method

    The limiting speed differs by lubrication method, and separate values are given for grease lubrication and oil lubrication. Confirm that the normal operating speed does not exceed the limiting value, and in high-speed ranges also consider cage material and precision grade. The reference speed can also be consulted as a thermal guideline.

  5. 5. Precision grade and internal clearance

    Precision grades (P0, P6, P5, etc.) indicate rotational accuracy and dimensional accuracy; for high-precision applications such as machine tool spindles, select higher grades. Internal clearance (C2, CN, C3, etc.) is selected to allow for changes caused by interference fit and temperature differences during operation.

  6. 6. Materials and lubrication suited to the environment

    For corrosive, high-temperature, vacuum, or clean environments, select specifications such as rings and rolling elements made of stainless steel or ceramics, or solid lubricants and fluorine grease for vacuum use. Check the operating temperature range, low dust generation, and whether food-grade grease registration applies against the application conditions.

This guide was written by AI based on the listed products' documents and specification items.

About Rolling Bearings and all products

Description

The contact angle is 90 degrees, and inclination is not permissible. During high-speed rotation, a minimum required axial load must be applied to prevent slippage. Standard cages are pressed steel cages or machined cages.

Features

  • Supports axial load in one direction
  • Large axial load capacity
  • Not suitable for high-speed rotation

FAQ

Q. What type of load can a single-direction thrust ball bearing receive?
A. It is a ball bearing that receives axial load in one direction. It features a large axial load capacity.
Q. What is the bore diameter and size range of a single-direction thrust ball bearing?
A. Sizes with a bore diameter d of 100 to 530 mm are listed.
Q. Can a single-direction thrust ball bearing be used for high-speed rotation?
A. It is not suitable for high-speed rotation. During high-speed rotation, a minimum required axial load must be applied to prevent slippage.
Q. Can a single-direction thrust ball bearing accommodate inclination?
A. The contact angle is 90 degrees, and inclination is not permissible.
Q. What are the types of standard cages for a single-direction thrust ball bearing?
A. Standard cages are pressed steel cages or machined cages.

Written by AI based on the content of the source documents.

Source documents

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