Product Description
Bearing sleeve
Frequently Asked Questions
Q: What is a bearing sleeve and what does the CR 65007-77 do?
A: The CR 65007-77 bearing sleeve is a cylindrical wear component that surrounds or supports ball or roller bearings in electric lift truck assemblies. It provides a smooth running surface, reduces friction, and protects the inner bearing from contamination and direct wear.
Q: Which Crown equipment models use the CR 65007-77 bearing sleeve?
A: The CR 65007-77 is an OEM Crown component for select electric pallet jacks and walkie stackers. Verify your equipment model and serial range with our technical team to confirm this sleeve fits your application.
Q: What material is the CR 65007-77 bearing sleeve made from?
A: Crown bearing sleeves are typically machined from hardened steel or bronze-steel composites designed to withstand radial and thrust loads while providing a low-friction surface for bearing rotation in electric lift equipment.
Q: When should the CR 65007-77 bearing sleeve be replaced?
A: Replace the bearing sleeve if the inner bearing begins to rattle, if you observe visible scoring or pitting on the sleeve surface, if radial play increases noticeably, or if the equipment produces grinding or binding noise during operation.
Q: Does the CR 65007-77 require lubrication?
A: The bearing sleeve supports sealed bearings that are pre-lubricated. Verify that the integrated bearing assembly has intact seals before operation. Do not attempt to manually lubricate sealed bearings unless the assembly is designed as an open-bearing system.