Product Description
Technical specification summary for part 3057653, a hardened steel plain bearing cup designed for manual pallet jack wheel retention. Suitable for a variety of manual pallet jack models requiring standard wheel bearing cups. No cross-reference part numbers available. Exceeds typical load requirements for manual pallet jack applications.
Specifications
Part Numbers
| OEM Part Number | 3057653 |
Performance
| Duty Cycle | Designed for continuous use in material handling applications, subject to regular inspection and maintenance |
Frequently Asked Questions
Q: What is the 3057653 bearing cup, and what does it do?
A: The 3057653 is a hardened steel plain bearing cup designed for manual pallet jack wheel retention. It seats in the wheel hub and works with the inner race to support radial loads on load wheels and steering wheels in standard pallet jack designs.
Q: Which manual pallet jack models use the 3057653 bearing cup?
A: The 3057653 fits multiple manual pallet jack models from Crown, Toyota, Raymond, Yale, and other major OEM manufacturers. Confirm your equipment model number and wheel assembly configuration against your parts catalog before ordering.
Q: What are the material specifications for the 3057653?
A: The 3057653 is manufactured from hardened steel that exceeds typical load requirements for manual pallet jack applications. The bearing surface is precision-machined to SAE standards for consistent fit and minimal runout in the wheel assembly.
Q: How do I know if a bearing cup needs replacement?
A: Inspect the bearing cup for scoring, pitting, or corrosion on the inner race surface. If the wheel wobbles, makes grinding noise, or the tire wears unevenly, the bearing cup is likely damaged. A scored cup must be replaced; it cannot be repaired or resurfaced.
Q: Can the 3057653 bearing cup be reused if removed?
A: If the bearing cup is removed without damage and shows no scoring or pitting on the race surface, it may be reused if the matching bearing balls are also in acceptable condition. However, best practice in material handling is to replace bearing cups in pairs with matched components to ensure load distribution and wheel alignment.
Q: What duty cycle is the 3057653 designed for?
A: The 3057653 bearing cup is designed for continuous use in material handling applications and is subject to regular inspection and maintenance. In high-volume warehouse environments, inspect wheel assemblies monthly and replace bearing cups if surface degradation is visible or if the wheel exhibits play.