Bearing Assembly Single Shield

Frequently Asked Questions

Q: What does single shield mean on bearing 31-43475?
A: Single shield means the bearing has a protective metal cover on one side of the raceway to reduce dust and debris entry while maintaining lower friction and heat compared to sealed bearings. This bearing is suitable for indoor warehouse applications where contamination exposure is moderate.

Q: Which pallet jack models use bearing 31-43475?
A: Bearing 31-43475 is designed for manual and electric pallet jacks from major OEM manufacturers. Verify bore diameter, outer diameter, and width match your equipment wheel hub before ordering.

Q: How does bearing 31-43475 compare to sealed bearings?
A: Single shield bearings like 31-43475 have lower drag and run cooler than sealed bearings, making them ideal for high-speed applications. However, sealed bearings offer better protection in wet or dusty environments. Choose based on your facility conditions.

Q: What maintenance is required for this shielded bearing?
A: Shielded bearings should be inspected regularly for noise or rough rotation. Clean dust and debris from the shielded area periodically. Replace if you observe grinding sounds, excessive resistance, or visible corrosion on the bearing surface.

Q: What is the OEM part number for bearing 31-43475?
A: The OEM part number is 31-43475. This part number appears in compatibility documentation for multiple pallet jack brands.