Product Description
Single shield radial ball bearing assembly for manual pallet jack wheel applications. Features 20 mm inside diameter, 47 mm outside diameter, 14 mm width, factory-lubricated, and constructed from high carbon chrome steel for durability and precision. Designed for handling moderate radial loads in material handling equipment.
Specifications
Material & Construction
| Race Material | High carbon chrome steel (SAE 52100 equivalent) |
| Shield Construction | Single metallic shield on one side |
| Surface Hardness | HRC 60-64 (Rockwell scale) |
Frequently Asked Questions
Q: What are the exact dimensions of the 710771 bearing assembly?
A: The 710771 has an inside diameter of 20 mm, outside diameter of 47 mm, and width of 14 mm. These dimensions are precision-manufactured to fit standard 20 mm spindles in manual pallet jack load wheels. Verify spindle diameter and wheel bore before ordering to ensure proper fit.
Q: Which equipment types use the 710771 bearing?
A: The 710771 is designed for manual pallet jack load wheels from Crown, Toyota, Raymond, Yale, Hyster, and comparable OEM manufacturers. It handles moderate radial loads typical of standard warehouse pallet jack operation. Do not use this bearing in high-capacity or extreme-load applications without verifying load limits.
Q: What makes the 710771 bearing durable in material handling?
A: The bearing uses high carbon chrome steel (SAE 52100 equivalent) races hardened to HRC 60-64 on the Rockwell hardness scale. This hardness resists denting and flaking from repeated load cycles. The single metallic shield protects against debris without restricting lubrication flow, balancing protection and longevity.
Q: Is the 710771 pre-lubricated and maintenance-free?
A: Yes, the 710771 arrives factory-lubricated with sealed lubrication. It does not require relubrication during service life. Periodic visual inspection for contamination, corrosion, or damage is recommended. Replace the bearing as a unit when noise or rough rotation develops; do not attempt to disassemble or relubricate.
Q: How long does the 710771 bearing typically last?
A: Expected service life is 2 to 4 years under standard warehouse use. Exposure to moisture, salt air, extreme cold storage, or overloading reduces lifespan. The single-shield design is lighter than double-shield variants but offers less contamination protection; inspect regularly in harsh environments.
Q: What load capacity is the 710771 designed for?
A: The 710771 handles moderate radial loads appropriate for manual pallet jacks rated 2,000 to 6,000 pounds. It is not rated for capacity trucks or extreme-load applications. Consult bearing load tables or contact us if you operate non-standard equipment or carry loads outside typical warehouse ranges.
