Product Description
Precision sealed ball bearing assembly for manual pallet jack load wheels, engineered as direct-fit replacement. Constructed from SAE 52100 chrome steel, featuring 20 mm bore diameter, 47 mm outer diameter, and 14 mm width. Suitable for standard manual pallet jack load wheel assemblies. Provides dynamic load rating of 2340 lbs and static load rating of 1670 lbs.
Specifications
Material & Construction
| Material Specification | Chrome steel (SAE 52100) |
| Hardness | Rockwell C58 to C62 |
| Finish | Oil-coated as shipped |
Part Numbers
| Manufacturer Part Number | ST523172 |
Dimensions
| Bore Diameter | 20 mm |
| Outer Diameter | 47 mm |
| Width | 14 mm |
Performance Specifications
| Dynamic Load Rating | 2340 lbs |
| Static Load Rating | 1670 lbs |
| Service Factor | 1.0 for manually operated pallet jack wheels |
Frequently Asked Questions
Q: What are the exact dimensions of the ST523172 bearing assembly?
A: The ST523172 has a 20 mm bore diameter, 47 mm outer diameter, and 14 mm width. These dimensions make it a direct-fit replacement for standard manual pallet jack load wheel assemblies across Crown, Toyota, Raymond, and similar equipment.
Q: What is the load rating capacity for the ST523172?
A: The ST523172 provides a dynamic load rating of 2340 lbs and a static load rating of 1670 lbs, engineered specifically for manual pallet jack duty where a service factor of 1.0 applies.
Q: What material is the ST523172 bearing constructed from?
A: The ST523172 is constructed from SAE 52100 chrome steel with a hardness specification of Rockwell C58 to C62. This material provides the durability required for material handling equipment service, and the bearing ships oil-coated for corrosion protection.
Q: Is the ST523172 a sealed bearing assembly?
A: Yes, the ST523172 is a precision sealed ball bearing assembly, meaning it has integrated seals to protect against contamination. This sealed design extends bearing life in manual pallet jack applications.
Q: What equipment types accept the ST523172 bearing?
A: The ST523172 is suitable for standard manual pallet jack load wheel assemblies from major OEM brands. Verify that your equipment uses a 20 mm bore load wheel to confirm fitment before ordering.