Product Description
BEARING assembly
Specifications
Product Overview
| Part Number | 640255 |
Physical Specifications
| Bearing Type | Precision Ball Bearing Assembly |
| Material - Races | Hardened Steel |
| Material - Balls | Hardened Steel |
| Expected Service Life | 2-4 years under typical warehouse conditions |
| Seal/Shield Configuration | Verify before ordering for specific application |
Compatibility
| Application | Load Wheels, Steering Wheels |
| Compatible Equipment | Manual Pallet Jacks |
Frequently Asked Questions
Q: Is bearing assembly 640255 compatible with my manual pallet jack?
A: Bearing assembly 640255 fits multiple manual pallet jack models from Crown, Toyota, Raymond, and Yale used in load wheel and steering wheel applications. Confirm your jack model and bearing bore specifications before purchase to verify fitment.
Q: How do I identify when bearing assembly 640255 needs replacement?
A: Replace the bearing if the wheel exhibits grinding noises, rough or jerky rotation, visible rust on the bearing races, play when you manually rock the wheel side to side, or if rolling resistance increases noticeably.
Q: What material construction is bearing assembly 640255?
A: This is a precision ball bearing assembly with hardened steel races and ball elements, designed for the loads and speeds typical of manual material handling equipment. The specific shield or seal configuration should be verified before ordering.
Q: What is the expected service life of bearing assembly 640255?
A: Under typical warehouse operating conditions, this bearing assembly normally provides 2-4 years of reliable service before degradation occurs. Heavier use environments, wet floors, or inadequate wheel maintenance may reduce lifespan.
