Product Description
Raymond RA 631-051 load wheel features a 5-inch diameter by 2.875-inch wide polyurethane tread bonded to a cast iron core, equipped with 6205-2RS sealed bearings and a 25 mm bore. Engineered for high-load electric lift truck applications. Cross-references include 631-051-003, 632-043-003, 632-050-003, and more for broad compatibility.
Specifications
Material
| Wheel Material | Polyurethane tread bonded to cast iron core |
| Tread Hardness | 95A durometer polyurethane |
| Bearing Seal Type | 2RS (double rubber seals) |
Part Numbers
| OEM Part Number | 631-051 |
| Cross-Reference Part Numbers | Replaces 631-051-003, supersedes 632-043-003, equivalent to 632-050-003, 640-070-003, 061-053-310, 061-053-391, 4826279-4, 630-065, 2305605, 928-603, S653 |
| Manufacturer Part Number | RA 631-051 |
Performance
| Rated Polyurethane Hardness | 95A (Shore) |
Frequently Asked Questions
Q: What are the core specifications of the RA 631-051 load wheel?
A: The RA 631-051 features a 5-inch diameter by 2.875-inch wide polyurethane tread bonded to a cast iron core. The wheel is equipped with 6205-2RS sealed bearings and has a 25 mm bore. The 5-inch diameter makes this wheel larger than standard load wheels, designed for high-load applications.
Q: What Raymond and competitor equipment does the RA 631-051 fit?
A: The RA 631-051 is a cross-platform component. Verify compatibility against your specific equipment model, as the 5-inch diameter and 25 mm bore are common across multiple manufacturers. Consult your equipment documentation or contact us to confirm fitment.
Q: What does the 6205-2RS bearing designation mean and why does it matter?
A: The 6205-2RS designation indicates a 6205 deep groove ball bearing with sealed shields on both sides (2RS). The seals protect the bearing raceway from dust, moisture, and contaminants, extending bearing life in warehouse and dock environments with high humidity or debris exposure.
Q: What equivalent and cross-reference part numbers apply to the RA 631-051?
A: Cross-references include 631-051-003, 632-043-003, 632-050-003, 640-070-003, 061-053-310, 061-053-391, 4826279-4, 630-065, 2305605, 928-603, and S653. The number of cross-references indicates broad compatibility across multiple lift truck brands and models. Match your original part number when ordering.
Q: Why is the RA 631-051 considered suitable for high-load applications?
A: The 5-inch diameter and cast iron core provide increased load-bearing capacity compared to smaller wheels. The larger diameter distributes load over a greater contact patch, reducing stress on the bearing and axle. This design is typical for heavy-duty electric lift trucks handling maximum load ratings.
Q: What is the difference between standard sealed bearings and 2RS sealed bearings?
A: The 2RS designation means the bearing has rubber seals on both sides (2RS = Two Rubber Seals), compared to single-sealed or open bearings. This design reduces bearing contamination and extends service life, making 2RS bearings ideal for wet storage, dock areas, and outdoor material handling environments.