Bearing Assembly Single Shield

Frequently Asked Questions

Q: What are the specifications for the 921-000-148-01 bearing assembly?
A: The 921-000-148-01 is a single shield radial ball bearing assembly designed for manual pallet jack equipment. It features a 25 mm bore diameter, 52 mm outside diameter, and 15 mm bearing width. The bearing is manufactured from high carbon chromium steel with precision ground races and a Z-type single steel shield for contamination protection.

Q: What equipment brands is the 921-000-148-01 compatible with?
A: This bearing assembly fits load wheel and steering assemblies on standard manual pallet jacks from Crown, Toyota, Raymond, Yale, Hyster, and similar OEM manufacturers. Verify your pallet jack model and current bearing dimensions match before ordering to ensure proper fitment.

Q: What is the operating speed rating for the 921-000-148-01?
A: The 921-000-148-01 has a limiting speed of 9600 RPM when operating with grease lubrication and 12000 RPM when using oil lubrication. The bearing series is 6205 Z with a continuous service factor of 1.0 for standard warehouse and industrial environments.

Q: What material construction does the 921-000-148-01 use?
A: The 921-000-148-01 uses high carbon chromium steel races and balls with precision ground contact surfaces. The single steel shield is manufactured from SAE 1008 steel and provides protection against dust and debris ingress while allowing grease or oil circulation.

Q: How long does the 921-000-148-01 bearing typically last in service?
A: Service life depends on load, speed, environment, and maintenance practices. High cycle warehouse environments typically see 2000 to 4000 operating hours before bearing wear becomes noticeable. Maintain proper lubrication and replace the bearing if you notice increased friction, noise, or wheel lockup.