Product Description
Crown CR 312021-003 Load Wheel Assembly – High-durability polyurethane load wheel with steel core and shoulder bearings. 95A Shore A hardness. Direct replacement for Crown electric lift trucks. Provides superior load capacity, abrasion resistance, and floor grip. Superseded by CR 312021-003-A. Compatible with multiple Crown lift truck models.
Specifications
Material Specifications
| Tread Material | High-durability polyurethane |
| Core Material | Steel core with polyurethane tread |
| Shore Hardness | 95A Shore A |
| Bearing Type | Shoulder bearings |
Part Numbers
| Part Number | CR 312021-003 |
| Superseded By | CR 312021-003-A |
| Cross-Reference Parts | CR 312021, CR 312021-001-A |
| Compatible Alternative | CR 312021-003-A |
Frequently Asked Questions
Q: What are the dimensions of the CR 312021-003 load wheel?
A: The CR 312021-003 has a . These dimensions make it compatible with Crown electric lift truck models requiring this specific wheel size.
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 with shoulder bearings. This construction provides superior load capacity, abrasion resistance, and floor grip compared to solid rubber alternatives.
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 bore diameter and accepts a 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 is the current direct replacement for 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A: The CR 312021-003 is superseded by CR 312021-003-A. Related parts include CR 312021 and CR 312021-001-A. These are alternative assemblies for different Crown lift truck models. Verify bore diameter and wheel diameter match your equipment.
Q: What type of bearing assembly does this wheel use?
A: The CR 312021-003 features shoulder bearings that provide durability and load support for Crown electric lift truck applications. The bearing design helps ensure smooth rotation and extended service life.
