Product Description
Precision sealed ball bearing assembly for manual pallet jack wheel applications; 20mm ID, 47mm OD, 14mm width; utilizes high-carbon chromed steel construction and dual-lip nitrile seals. Factory pre-lubricated for optimal warehouse operation. Compatible with standard manual pallet jack wheel assemblies across multiple brands.
Specifications
Dimensional Specifications
| Inner Diameter | 20mm |
| Outer Diameter | 47mm |
| Width | 14mm |
| Clearance | C3 clearance (0.0005" to 0.0009") |
Material & Construction
| Bearing Material | High-carbon chromed steel rings and rolling elements |
| Finish | Steel rings with precision ground raceways |
| Seal Type | Dual-lip nitrile seals |
| Lubrication | Factory pre-lubricated |
Part Information
| Part Number | 520053842 |
| Application | Manual pallet jack wheel applications |
| Compatibility | Compatible with standard manual pallet jack wheel assemblies across multiple brands |
Frequently Asked Questions
Q: What are the specifications of the 520053842 bearing assembly?
A: The 520053842 is a precision sealed ball bearing with 20 mm inner diameter, 47 mm outer diameter, and 14 mm width. It features high-carbon chromed steel rings and rolling elements, C3 clearance (0.0005 inch to 0.0009 inch), dual-lip nitrile seals, and arrives factory pre-lubricated for warehouse operation.
Q: Which pallet jack brands and models is the 520053842 compatible with?
A: The 520053842 is compatible with standard manual pallet jack wheel assemblies across multiple brands including Crown, Toyota, Raymond, Yale, Hyster, Jungheinrich, Linde, Clark, Mitsubishi, CAT, and BT. Confirm compatibility by verifying your equipment uses 20 mm bore x 47 mm OD load wheels.
Q: What is the difference between the C3 clearance on the 520053842 and other clearance grades?
A: The C3 clearance (0.0005 inch to 0.0009 inch) on the 520053842 provides proper internal spacing for the rolling elements and races. This clearance is standard for manual pallet jack load wheel applications and ensures smooth rotation while maintaining precision fit in typical warehouse environments.
Q: What material composition does the 520053842 use?
A: The 520053842 features high-carbon chromed steel rings and rolling elements with precision-ground raceways for smooth operation. The dual-lip nitrile seals protect against moisture and contaminants. This construction provides extended durability in high-traffic warehouse material handling operations.
Q: How is the 520053842 lubricated and what maintenance is needed?
A: The 520053842 arrives factory pre-lubricated with appropriate lubricant for warehouse operation. It requires no routine maintenance beyond visual inspection for normal operation. Do not attempt to add lubricant to a sealed bearing. Replace if noise or rough rotation develops.
Q: What is the expected lifespan of the 520053842 bearing?
A: Bearing lifespan depends on load, usage frequency, and floor conditions. The high-carbon chromed steel construction and dual-lip seals support extended service in typical warehouse environments. Monitor for increased friction, noise, or sluggish wheel movement as indicators of wear. Replace when performance degrades.
