K 50x70x32 KOYO Needle Roller and Cage Assembly - High-Precision Bearing Unit Without Rings

K 50x70x32 KOYO Needle Roller and Cage Assembly - High-Precision Bearing Unit Without Rings

The K 50x70x32 KOYO is a high-performance needle roller and cage assembly designed for applications that require high radial load capacity in compact spaces. It is supplied without inner or outer rings, allowing the shaft and housing bore to act as raceways — an ideal solution for weight- or space-sensitive industrial designs.

Technical Specifications:

• Designation: K 50x70x32

• Brand: KOYO (Japan)

• Type: Needle roller and cage assembly (without rings)

• Bore diameter (Fw): 50 mm

• Outer diameter (D): 70 mm

• Width (C): 32 mm

• Design feature: High-precision needle rollers guided in a steel cage

• Operating conditions: High radial load, moderate speed

• Construction: No inner/outer rings - use shaft and housing as raceways

Typical Applications:

• Industrial gearboxes

• Agricultural and construction machinery

• Electric motors and drives

• Automotive transmissions

• Compact assemblies with limited radial space

This KOYO needle roller unit is engineered for longevity and reliability in dynamic industrial environments.

FAQ - Frequently Asked Questions

Q: Does the K 50x70x32 KOYO come with rings?
No - this product is a needle roller and cage assembly only. The shaft and housing must serve as raceways.

Q: Can this bearing support axial loads?
No - it is intended for radial loads only. For axial load support, combine it with a thrust bearing.

Q: What material is used in the cage and rollers?
Typically, the cage is made of precision-formed steel, and the rollers are hardened bearing-grade steel.

Q: Can I use this bearing in high-speed applications?
It is designed for high-load, moderate-speed use. For high-speed applications, consult our technical team.

Q: Do you provide technical support?
Yes! Our experts at Simmering.pl can assist with selection and compatibility based on your specific use case.