Product Description
CUP, BEARING
Frequently Asked Questions
Q: What are the specifications and dimensions of the 312170-000 bearing cup?
A: The 312170-000 is a bearing cup component for manual pallet jack load wheel assemblies. It seats in the wheel hub and provides the raceway surface for bearing balls. Bore diameter, outside diameter, and thickness specifications are specific to your pallet jack model.
Q: Which manual pallet jack models is the 312170-000 bearing cup compatible with?
A: The 312170-000 bearing cup is designed for manual pallet jacks from Crown, Toyota, Raymond, Yale, Hyster, and other major manufacturers. Verify your equipment model and wheel hub size match the cup specifications before ordering.
Q: What material is the 312170-000 bearing cup made from?
A: The bearing cup is machined from alloy steel and precision ground to close tolerances. The raceway surface is hardened to resist wear and deformation from bearing ball contact during load wheel rotation.
Q: What is the typical service life of the 312170-000 bearing cup?
A: The bearing cup typically lasts 3 to 5 years under normal warehouse operating conditions. Lifespan is affected by load frequency, bearing ball condition, and whether the bearing assembly is regularly cleaned and re-lubricated.
Q: How do I know if the 312170-000 bearing cup needs replacement?
A: Replace the bearing cup if you observe spalling or pitting on the raceway surface, hear grinding sounds from the load wheels, or if bearing balls become rough or noisy during rotation. Raceway damage requires cup replacement.
Q: Are there cross-reference part numbers for the 312170-000 bearing cup?
A: The 312170-000 is the primary part number. OEM equivalent part numbers depend on your pallet jack manufacturer. Contact our parts support with your equipment model to identify any alternative part numbers or compatible cups.