Product Description
NUT, CASTLE
Frequently Asked Questions
Q: What is the CR 60021-58 castle nut and what equipment does it fit?
A: The CR 60021-58 is a Crown OEM castle nut designed for electric lift truck mechanical assemblies. Castle nuts feature a crown-like top with slots for cotter pin retention. This part is compatible with Crown electric lift trucks and equivalent industrial material handling equipment from manufacturers including Toyota, Raymond, Yale, Hyster, and Mitsubishi.
Q: What material and construction specifications define the CR 60021-58?
A: The CR 60021-58 is constructed from SAE J995 Grade 5 steel with clear trivalent chromate finish for corrosion resistance. Grade 5 steel provides hardness suitable for high-load applications typical in lift truck fastening. The castle design allows for positive locking via cotter pin insertion.
Q: When should the CR 60021-58 castle nut be replaced?
A: Replace the CR 60021-58 if the castle slots become stripped or enlarged, preventing secure cotter pin retention. Inspect regularly during routine maintenance. If the nut no longer holds a cotter pin securely, replacement is required to prevent fastener loosening and equipment failure.
Q: Are there cross-reference part numbers for the CR 60021-58?
A: Verify cross-reference compatibility before ordering, as castle nut specifications vary by thread size and pitch. Many lift truck manufacturers use similar castle nuts across their electric equipment lines. Confirm thread size and pitch with your equipment documentation to ensure correct fitment.