Product Description
Bearing
Frequently Asked Questions
Q: What equipment does the AC 4910172 bearing fit?
A: The AC 4910172 is an OEM replacement bearing for manual pallet jacks manufactured by Allis Chalmers. This bearing is used in load wheel assemblies. Verify your pallet jack model and serial range match this part number before purchasing.
Q: What are the AC 4910172 bearing specifications?
A: The AC 4910172 is a sealed cartridge bearing with internal lubrication. Check your equipment documentation or measure the existing bearing bore diameter and width to confirm fitment. Incorrect bearing size prevents proper wheel rotation.
Q: How can I tell if the AC 4910172 bearing is worn or damaged?
A: Signs of AC 4910172 bearing failure include grinding or squealing noises during wheel rotation, increased load resistance, wheel lockup, or rough wheel movement. These symptoms indicate internal bearing wear or damage and require immediate replacement.
Q: What is the service life of the AC 4910172 bearing?
A: Manual pallet jack bearing lifespan typically ranges from 2-5 years depending on duty cycle and load conditions. High-frequency use in heavy-load applications shortens bearing life. Regular inspection and prompt replacement prevent load drop and injury risk.
Q: Does the AC 4910172 bearing need to be lubricated after installation?
A: The AC 4910172 is a sealed bearing shipped pre-lubricated from the factory. Do not disassemble or attempt to lubricate it. Sealed bearings are maintenance-free and any breach compromises internal lubrication and bearing life.
Q: Are there equivalent or cross-reference part numbers for the AC 4910172?
A: The AC 4910172 is an OEM Allis Chalmers bearing. Confirm the exact part number matches your equipment nameplate. Bearing cross-references vary by load class and application, so verify fitment before ordering.