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Metric Thrust Ball Bearings

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Thrust Ball Bearings:


Thrust ball bearings are precision-engineered components designed to support axial loads exclusively. Unlike radial bearings, which support loads perpendicular to the shaft, thrust ball bearings are used in applications where the load is parallel to the shaft axis. They are typically used in low-speed, low-load applications such as machine tool spindles, automotive transmissions, and rotating machinery where axial alignment is critical.


Construction & Design:

Thrust ball bearings are generally made up of high-quality steel for durability and resistance to wear. Their design typically includes:

  • Two Washers (Raceways): One attached to the shaft (shaft washer) and one to the housing (housing washer).
  • Ball Assembly: A series of steel balls fitted between the washers to minimize friction and enable smooth rotation.
  • Cage (Retainer): Holds the balls in position to prevent contact and ensure even load distribution.

Cage Types:

The cage, or retainer, is essential for maintaining the spacing and alignment of the balls. Common cage types include:

  • Pressed Steel Cages: Lightweight and cost-effective for general-purpose applications.
  • Machined Brass Cages: Durable and suited for high-speed or high-load uses.
  • Polyamide (Nylon) Cages: Quiet and lightweight, ideal where noise and vibration reduction are important.

3-Piece Assemblies:

Standard thrust ball bearings are typically offered as 3-piece assemblies consisting of:

  • Shaft Washer
  • Housing Washer
  • Ball and Cage Assembly

This design allows for ease of installation, maintenance, and inspection.


5-Piece Assemblies:

For applications requiring double direction axial support, thrust ball bearings are available in 5-piece assemblies that include:

  • Two Shaft Washers
  • Two Ball and Cage Assemblies
  • One Housing Washer (center washer)

These are used where axial loads may reverse direction, allowing balanced support on both sides.


Brands We Offer:

SKF (Svenska Kullagerfabriken AB)

  • Country of Origin: Sweden
  • Key Features: Premium quality, durability, and precision engineering.
  • Applications: Ideal for high-demand industrial and precision applications.

FAG (Fischer Aktien-Gesellschaft)

  • Country of Origin: Germany
  • Key Features: High precision and innovative designs.
  • Applications: Common in heavy machinery, aerospace, and automotive sectors.

FBJ (Fuji Bearing Japan)

  • Country of Origin: Japan
  • Key Features: Affordable and dependable quality for mid-duty use.
  • Applications: General-purpose industrial and commercial equipment.

Unbranded Economy Bearings

  • Key Features: Budget-friendly option for basic applications.
  • Applications: DIY, low-load systems, and cost-sensitive projects.

Typical Applications of Thrust Ball Bearings:

  • Automotive clutches and transmissions
  • Electric motors
  • Pumps and compressors
  • Turntables and swivel chairs
  • Low-speed, high-precision rotating devices

Whether you're looking for high-performance SKF or FAG bearings for industrial environments, or a cost-effective FBJ or unbranded solution for non-critical applications, we provide a full range to suit every need. Contact us to find the most suitable thrust ball bearing for your requirements.

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