FAG 51217 Thrust Ball Bearing 85x125x31

High-Performance Thrust Bearing for Axial Load Applications

The FAG 51217 thrust ball bearing (85x125x31 mm) is a premium-quality single-direction axial bearing, designed to handle high axial loads with outstanding precision and stability. Manufactured by FAG - one of the world’s leading bearing brands, this model ensures smooth operation, low friction, and excellent resistance to wear.

This thrust bearing features a three-part construction consisting of a shaft washer, housing washer, and a ball-cage assembly. Such a design allows easy installation, precise alignment, and efficient lubrication flow. Built from high-grade bearing steel, the FAG 51217 provides excellent rigidity and long service life, even under continuous load or vibration.

Technical Specifications

• Brand: FAG

• Type: Thrust ball bearing, single direction

• Dimensions:

  • Inner Diameter: 85 mm

  • Outer Diameter: 125 mm

  • Width: 31 mm

• Load Type: Axial, one-direction

• Material: High-strength bearing steel

• Operating Characteristics:

  • Low friction and noise level

  • High load capacity

  • Long-term reliability and precision

This bearing is widely used in industrial gearboxes, machine tools, pumps, electric motors, compressors, and power transmission systems, where accurate axial support and load distribution are essential.

Key Advantages

• Designed for high axial loads in one direction

• Easy mounting and disassembly thanks to separable components

• High precision and excellent running accuracy

• Long service life due to premium FAG materials and design

• Suitable for both industrial and automotive applications

FAQ

1. What is the FAG 51217 bearing used for?
It is used to support and transmit axial loads in one direction, ensuring precise shaft alignment and smooth operation.

2. Can this bearing handle radial loads?
No, thrust ball bearings like the FAG 51217 are designed exclusively for axial (thrust) loads.

3. What are the dimensions of the FAG 51217?
The dimensions are 85 mm (inner diameter), 125 mm (outer diameter), and 31 mm (width).

4. Is the FAG 51217 suitable for high-speed applications?
Yes, it operates efficiently at moderate to high speeds, provided it is properly lubricated.

5. In which industries is this bearing commonly used?
It is commonly found in industrial machinery, gear drives, automotive assemblies, and power transmission systems.