517381

Frequently Asked Questions

Q: What are the dimensions and specifications of bearing 517381?
A: Bearing 517381 is a double-sealed radial ball bearing with a 20 mm bore, 47 mm outside diameter, and 14 mm width. The bearing is constructed from bearing-grade carbon steel that is hardened, and features dual nitrile rubber seals. It is designed for steering or load wheel assemblies in manual pallet truck applications.

Q: Which pallet jack models use bearing 517381?
A: Bearing 517381 is compatible with manual pallet jacks from major manufacturers including Crown, Toyota, Raymond, and Yale that use the metric 20 x 47 x 14 mm bearing specification. Verify your equipment bearing bore and outside diameter dimensions before ordering to ensure fitment.

Q: What materials are used in bearing 517381 and why?
A: The bearing races and balls are made from hardened bearing-grade carbon steel, which provides durability under heavy load and constant rotation. The dual nitrile rubber seals protect against contamination and moisture, making this bearing suitable for both indoor and outdoor warehouse environments.

Q: How long does bearing 517381 typically last in service?
A: Lifespan depends on load, usage frequency, and maintenance conditions. In typical warehouse use with standard loads, this bearing can operate for several years. The sealed design reduces maintenance needs, but regular inspection for noise or grinding indicates wear and the need for replacement.

Q: Is bearing 517381 equivalent to any other part numbers?
A: SKU 517381 is the OEM part number. When sourcing replacements, confirm the metric dimensions (20 mm bore, 47 mm OD, 14 mm width) match your original bearing. Superior brand equivalent load wheel bearings with similar specifications may be available; always verify dimensions and seal configuration before substituting.