Deep Groove Ball Bearing Assembly for Manual Pallet Jack
55002-028
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Compatibility
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Visit our diagram page for part references to popular models
Product Description
Heavy-duty deep groove ball bearing assembly 55002-028 engineered for load wheel and caster assemblies in manual pallet jacks; featuring ASTM A295 ring steel, SAE 52100 chrome steel balls, single shielded, and pre-lubricated for extended service in demanding warehouse environments.
Specifications
Material
| Ring Material | Case-hardened bearing steel to ASTM A295 specification |
| Cage Material | Steel ribbon retainer |
| Ball Material | SAE 52100 chrome steel balls |
| Hardness | Rockwell C58 minimum for raceways |
| Shield Type | Single shielded |
Part Numbers
| Manufacturer Part Number | 55002-028 |
Application
| Compatible Equipment | Manual pallet jacks, load wheel assemblies, caster assemblies |
| Service Conditions | Warehouse, cold storage, high-load environments |
Frequently Asked Questions
Q: What is the 55002-028 bearing assembly designed for?
A: The 55002-028 is a heavy-duty deep groove ball bearing assembly for manual pallet jack load wheel and caster assemblies. It is engineered for demanding warehouse environments requiring extended service life.
Q: What material specifications does the 55002-028 meet?
A: The 55002-028 features ASTM A295 case-hardened bearing steel rings, SAE 52100 chrome steel balls, and a steel ribbon retainer cage. Raceway hardness is Rockwell C58 minimum for durability under continuous load.
Q: Is the 55002-028 pre-lubricated and sealed?
A: Yes. The 55002-028 arrives pre-lubricated and single-shielded to provide protection against dust and contamination in warehouse and cold storage applications. No additional lubrication is required under normal operating conditions.
Q: What manual pallet jack models is the 55002-028 compatible with?
A: The 55002-028 fits manual pallet jacks from major manufacturers including Crown, Toyota, Raymond, Yale, Hyster, and Clark. Verify wheel pocket dimensions and bore size match your equipment before ordering.
Q: How long does the 55002-028 bearing typically last in service?
A: Bearing life ranges from 3 to 7 years in typical warehouse use, depending on load weight, usage frequency, and environmental conditions. Regular visual inspection for noise or resistance helps identify wear early.
Q: Can the 55002-028 be used in cold storage environments?
A: Yes. The 55002-028 is engineered for demanding warehouse environments including cold storage. The pre-lubrication formula and steel construction maintain performance at low temperatures.