Product Description
OEM Toyota bearing, part number 00591-53397-81, for manual pallet jack pivot assembly. Manufactured with hardened SAE 52100 bearing steel, precision ground and lubricated. Rated for use with hand pallet jack models with 5500 lbs capacity at 24 inch load center. Ball-type thrust bearing design ensures load stability in pivot assemblies. No cross-reference part numbers available.
Specifications
Material & Construction
| Material Specification | Hardened bearing steel (SAE 52100) |
| Finish/Coating | Precision ground, oil-bath lubricated |
Part Numbers & Compatibility
| OEM Part Number | 00591-53397-81 |
Frequently Asked Questions
Q: What is the 00591-53397-81 bearing used for?
A: The 00591-53397-81 is an OEM Toyota ball-type thrust bearing for manual pallet jack pivot assemblies. This bearing supports the fork lift structure and handles vertical and lateral loads during jack operation. It ensures load stability and smooth pivot motion in the jack frame.
Q: What is the load capacity of the 00591-53397-81?
A: The 00591-53397-81 is rated for use with manual pallet jack models with 5500 lbs capacity at a 24 inch load center. This load rating matches the jack lift capacity it is designed for. Do not use this bearing in jacks with different load ratings or dimensions, as improper bearing selection can lead to frame damage or safety hazards.
Q: What material is the 00591-53397-81 made from?
A: The 00591-53397-81 is manufactured from hardened SAE 52100 bearing steel. This steel grade provides high hardness, wear resistance, and fatigue strength required for manual pallet jack pivot applications. The bearing is precision ground for tight tolerances and pre-lubricated with oil-bath lubrication for extended service life.
Q: How is the 00591-53397-81 lubricated?
A: The 00591-53397-81 is factory-lubricated using an oil-bath lubrication method. This bearing arrives pre-lubricated and ready for installation. The oil bath provides continuous lubrication during operation and reduces friction in the pivot assembly. Do not over-lubricate, as excess lubricant can cause drag and uneven wear.
Q: What indicates the 00591-53397-81 bearing needs replacement?
A: Signs of bearing wear include grinding or clicking sounds during jack operation, play or looseness in the pivot assembly, jerky lift motion, or visible axial movement in the fork structure. If the jack feels unstable when lifting loads or the forks shift laterally, the pivot bearing likely has failed and requires immediate replacement.
Q: Are there cross-reference part numbers for the 00591-53397-81?
A: The 00591-53397-81 is specific to Toyota manual pallet jacks and has no published cross-reference part numbers. This bearing assembly is not interchangeable with other jack brands or models. Always order the exact OEM part number to ensure proper fit, load rating, and safe operation in your specific jack model.