631808

Frequently Asked Questions

Q: What is the 631808 bearing assembly used for?
A: The 631808 is an OEM manual pallet jack bearing assembly designed for load wheel and steer axle applications on standard pallet jack equipment. It is a sealed single-row ball bearing with high-carbon steel construction, suitable for material handling equipment.

Q: What are the material specifications for this bearing?
A: The outer ring is precision-ground high-carbon steel. The rolling elements are hardened bearing-grade steel. This sealed construction provides factory pre-lubrication and requires no ongoing maintenance.

Q: Is this bearing maintenance-free?
A: Yes. The 631808 comes factory pre-lubricated with a sealed design, meaning no periodic greasing or oil changes are required during normal operation. The seal keeps contamination out and lubricant in.

Q: Which pallet jack models accept this bearing?
A: The 631808 is compatible with standard manual pallet jack models across common OEM brands including Crown, Toyota, Raymond, Yale, Hyster, and similar equipment. Verify bearing dimensions match your specific model before ordering.

Q: What is the typical lifespan of this bearing?
A: Bearing lifespan depends on load, usage frequency, and operating conditions. Sealed bearings typically last 2-5 years in standard warehouse environments. Inspect for noise, roughness, or increased resistance during operation; these indicate replacement is needed.