System of Measurement
Bore Dia
Bore Dia
For Load Direction
Outer Dia
Outer Dia
Product Categories Ball Bearings / Thrust Ball Bearings
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Thrust Ball Bearings

1145 Products

What Is a Thrust Ball Bearing?

Thrust Ball Bearings are a specific type of rotary ball bearing designed to handle axial loads in one direction. They are designed to take axial (thrust) loads at high speeds, but they cannot take any radial loads.


Structure of Thrust Ball Bearings

  • Raceways: Consist of two flat rings, the shaft washer near the shaft and the housing washer inside the housing, serving as the ball raceways.
  • Balls: Spherical elements between the washers, enabling movement and bearing the axial load.
  • Cage/Retainer: Encases and spaces the balls evenly, typically made of steel or brass, ensuring load distribution and preventing direct ball contact.


Benefits of Ball Thrust Bearings

  • Axial Load Handling: Specifically engineered to accommodate high axial loads while minimizing radial load capacity.
  • Low Friction and High-Speed Capability: Designed to create minimal friction, enabling them to support high-speed applications.
  • Compact Design: Offer a flat and compact design, making them suitable for applications with space constraints.
  • Precision Performance: They offer high precision and control in applications, making them suitable for use in scenarios where precise axial movement is crucial.


Types of Thrust Ball Bearings

  • Single Direction Thrust Ball Bearings: They are specifically engineered to sustain axial loads in one direction, featuring a unique design where the grooved aligning seat washer guides the balls for efficient operation.
  • Double Direction Thrust Ball Bearings: With three washers and two ball cages, they are engineered to handle axial loads in both directions. Their design includes a central shaft washer between cages for balanced load support.
  • Angular Contact Thrust Ball Bearings: excel in managing axial and radial loads, suitable for high-precision, high-speed applications like machine tool spindles.


Applications of Thrust Ball Bearings

Thrust Ball Bearings are used in a variety of applications where handling axial loads is crucial. Some common applications include:

  • Automotive Industry: In components like clutch assemblies and steering columns where axial loads are predominant.
  • Aerospace Sector: For parts in aircraft and spacecraft that require bearings capable of handling high axial stress.
  • Industrial Machinery: In heavy machinery and equipment such as cranes and drills where axial load support is essential.
  • Medical Equipment: In various medical devices where precise and reliable axial load handling is crucial.