Product Description
Bearing CE
Frequently Asked Questions
Q: What equipment does the AC 4907389 bearing fit?
A: The AC 4907389 is a direct OEM replacement bearing for manual pallet jacks manufactured by Allis Chalmers and other brands. Verify your jack model and serial range match this part number before ordering, as bearing fitment is model-specific.
Q: What is the load rating for the AC 4907389 bearing?
A: The AC 4907389 bearing is designed for manual pallet jack load wheels. Check your equipment documentation for the specific load capacity and bearing specification to confirm compatibility with your application.
Q: How long does the AC 4907389 bearing typically last?
A: Bearing lifespan depends on usage frequency, load conditions, and maintenance. High-traffic operations may see bearing wear within 2-4 years. Regular inspection for noise, grinding, or resistance indicates bearing failure and replacement need.
Q: What are the replacement symptoms for the AC 4907389 bearing?
A: Replace the AC 4907389 bearing if you experience grinding noise, increased resistance during lifting, wheel lockup, or rough wheel rotation. These symptoms indicate bearing wear or damage and require immediate replacement to avoid load drop.
Q: Does the AC 4907389 bearing require lubrication?
A: Most manual pallet jack bearings are sealed cartridge units that do not require field lubrication. The AC 4907389 comes pre-lubricated. Do not attempt to lubricate sealed bearings, as it can damage internal components.
