Product Description
Caterpillar 2F5721 (CT 2F5721) is a single row deep groove ball bearing, 25 mm ID × 62 mm OD × 17 mm wide, steel construction, C3 internal clearance, designed for Caterpillar manual pallet jack applications. Equivalent to NTN 6305X5C3.
Compatibility: Fits pallet jacks made by Caterpillar, model 2F5721. SKU: CT 2F5721
Specifications
Material & Construction
| Material Specification | Bearing-grade steel, through-hardened |
Part Numbers
| OEM Part Number | 2F-5721 |
| Manufacturer Part Number | 2F5721 |
| Cross-Reference Part Numbers | NTN 6305X5C3 |
Frequently Asked Questions
Q: What are the exact dimensions and internal clearance specification of the CT 2F5721 bearing?
A: The CT 2F5721 is a single-row deep groove ball bearing with inner diameter of 25 mm, outer diameter of 62 mm, and width of 17 mm. It features C3 internal clearance and is constructed from bearing-grade through-hardened steel.
Q: Which pallet jack equipment is compatible with the CT 2F5721?
A: The CT 2F5721 is designed for Caterpillar manual pallet jack applications. Verify that your pallet jack model matches specifications and bearing position before ordering to ensure proper fitment.
Q: What is the NTN equivalent part number for the CT 2F5721?
A: The CT 2F5721 is equivalent to NTN 6305X5C3. The OEM part numbers are 2F-5721 and 2F5721.
Q: Why is C3 internal clearance important for manual pallet jack bearings?
A: C3 internal clearance allows the bearing to accommodate thermal expansion and load deflection during manual pallet jack operation. This clearance specification prevents preload stress and extends bearing life in manual-load applications.
Q: How long does a CT 2F5721 bearing typically last in manual pallet jack service?
A: Bearing life depends on load cycles, storage conditions, and maintenance. Replace the CT 2F5721 if you notice increased friction, resistance, or grinding noise during pallet jack operation. Contamination or inadequate lubrication will accelerate wear.