Product Description
CUP, BEARING
Specifications
Product Overview
| Product Type | Bearing Cup (Outer Raceway) |
Physical Specifications
| Material | Hardened Steel |
| Load Type | Radial and Axial Loads |
| Durability Features | Corrosion-Resistant, Hardened Steel Raceway |
Compatibility
| Application | Load Wheel Assemblies, Pivot Points |
| Compatible Equipment | Manual Pallet Jacks |
Frequently Asked Questions
Q: What is a bearing cup (SKU 3051259) and where is it used?
A: SKU 3051259 is a bearing cup component for manual pallet jacks. The bearing cup serves as the outer raceway that houses ball or roller bearings in load wheel assemblies and pivot points. It fits standard manual pallet jacks from Crown, Toyota, Raymond, Yale, and similar manufacturers.
Q: How do I verify that bearing cup 3051259 fits my manual pallet jack?
A: Verify fitment by matching your pallet jack model number and serial range to the cross-reference chart or by measuring the existing bearing cup bore diameter and outer diameter. Contact our parts team with your jack specifications for exact compatibility confirmation before ordering.
Q: What is the bearing cup made of and how durable is it?
A: Bearing cups are typically manufactured from hardened steel or cast iron to withstand radial and axial loads during pallet lifting and transport. Steel cups offer superior durability and corrosion resistance compared to cast iron, especially in wet or outdoor environments. Material hardness ensures the cup raceway resists deformation under repeated load cycles.
Q: When should a bearing cup be replaced?
A: Replace the bearing cup when you observe visible spalling (pitting or flaking on the raceway surface), audible grinding or roughness during wheel rotation, or when paired bearing components show wear. Replacing a worn bearing cup alongside the rolling elements prevents premature bearing failure and unsafe load handling.
Q: Can bearing cup 3051259 be used as a standalone replacement or must it be paired with other components?
A: The bearing cup should be replaced as part of a complete bearing assembly rebuild. Pair it with a matching bearing cone (inner raceway), rolling elements (balls or rollers), and seals for proper function. Using a worn cup with new rolling elements reduces load capacity and causes premature bearing failure.