Heavy-Duty Sealed Ball Bearing Assembly for Manual Pallet Jack - LM4AD

Frequently Asked Questions

Q: What are the specifications of the LM4AD-L1425 sealed bearing assembly?
A: The LM4AD-L1425 is a heavy-duty sealed ball bearing with a 20 mm bore diameter, 47 mm outside diameter, and 14 mm width. It is constructed from SAE 52100 bearing steel and rated for loads up to 5,500 lbs. The bearing comes pre-filled with synthetic grease for lifetime lubrication.

Q: Which pallet jack models use the LM4AD-L1425 bearing?
A: The LM4AD-L1425 fits manual pallet jack load wheels and steering wheel applications from commercial brands including Crown, Toyota, Raymond, Yale, and Hyster. Verify your equipment model and bearing dimensions before ordering to ensure correct fitment.

Q: What material is the LM4AD-L1425 bearing made from?
A: The bearing races and balls are constructed from SAE 52100 bearing steel, which provides high hardness and wear resistance in heavy-duty material handling applications. The assembly includes dual full-contact rubber seals to protect against contamination and retain grease.

Q: Is the LM4AD-L1425 sealed or does it require regular greasing?
A: The LM4AD-L1425 is a sealed bearing pre-filled with synthetic grease. The dual full-contact rubber seals trap grease inside and prevent dirt and moisture ingress, eliminating the need for routine greasing. Under normal use, the bearing provides lifetime lubrication without maintenance.

Q: What load capacity does the LM4AD-L1425 bearing support?
A: The LM4AD-L1425 bearing assembly is rated for manual pallet trucks with load capacities up to 5,500 lbs. Load rating is based on dual bearing installation in load wheel or steering wheel configurations on commercial-grade equipment.