Product Description
Crown CR 312021-003 Load Wheel: OEM polyurethane load wheel assembly with shoulder bearings, 6 inch OD, 3.149 inch ID, 4.12 inch tread width, 95A Shore A hardness. Compatible with multiple Crown electric lift trucks. Supersedes CR 312021-003-A.
Specifications
Material
| Tread Material | High-durability polyurethane |
| Core Material | Steel core with polyurethane tread |
Part Numbers
| OEM Part Number | CR 312021-003 |
| Cross-Reference Part Numbers | Superseded by CR 312021-003-A; related part: CR 312021; compatible: CR 312021-001-A |
| Equivalent Part Numbers | CR 312021-003-A, CR 312021, CR 312021-001-A |
Frequently Asked Questions
Q: What are the dimensions of the CR 312021-003 load wheel?
A: The CR 312021-003 has a 6 inch outside diameter, 3.149 inch inside diameter bore, and 4.12 inch tread width. These dimensions make it compatible with larger Crown electric lift truck models and high-capacity pallet jacks.
Q: What material and hardness does the CR 312021-003 tread have?
A: The CR 312021-003 features a high-durability polyurethane tread with 95A shore A hardness on a steel core. This construction provides superior load capacity, abrasion resistance, and floor grip compared to solid rubber wheels.
Q: Which Crown electric lift trucks are compatible with the CR 312021-003?
A: The CR 312021-003 is compatible with multiple Crown electric lift truck models. Verify your equipment has a 3.149 inch bore diameter and accepts a 6 inch diameter wheel. Cross-reference part CR 312021-001-A and related part CR 312021 for alternative fitments.
Q: What is the relationship between the CR 312021-003 and CR 312021-003-A?
A: The CR 312021-003-A supersedes the CR 312021-003. Both are shoulder bearing load wheel assemblies with identical dimensions and material specifications. Contact us with your equipment model to confirm which part number you need.
Q: When should the CR 312021-003 be replaced?
A: Replace the CR 312021-003 if tread wear exceeds 25 percent of original thickness, if you observe flat spots or cracking, or if wheel wobble or grinding noise develops during operation. These signs indicate bearing or seal failure.
Q: What cross-reference parts exist for the CR 312021-003?
A: The CR 312021-003 is superseded by CR 312021-003-A. Related parts include CR 312021 and CR 312021-001-A. These are alternative OEM assemblies for different Crown lift truck models. Verify bore diameter and wheel diameter match your equipment.