Product Description
Raymond 631-051 Load Wheel — A heavy-duty polyurethane load wheel designed for electric lift truck applications. Features a by polyurethane tread bonded to a cast iron core for superior durability and load capacity. Equipped with 6205-2RS sealed bearings and Cross-references: 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 ensure broad compatibility across lift truck brands.
Specifications
Dimensions & Physical
Material & Construction
| Wheel Material | Polyurethane tread bonded to cast iron core |
| Tread Hardness | 95A durometer polyurethane |
Bearing Specification
| Bearing Type | 6205-2RS sealed bearings |
| Bearing Seal Type | 2RS (double rubber seals) |
Part Numbers
| Manufacturer Part Number | 631-051 |
| Cross-Reference Part Numbers | 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, S653 |
Application
| Application | High-load electric lift truck applications |
Frequently Asked Questions
Q: What are the core specifications of the 631-051 load wheel?
A: The 631-051 features a polyurethane tread bonded to a cast iron core, equipped with 6205-2RS sealed bearings. The cast iron core provides increased load-bearing capacity for heavy-duty electric lift truck applications.
Q: What does the 6205-2RS bearing designation mean?
A: The 6205-2RS designation indicates a 6205 deep groove ball bearing with sealed shields on both sides (2RS = Two Rubber Seals). The seals protect the bearing raceway from dust, moisture, and contaminants, extending bearing life in warehouse, dock, and outdoor material handling environments.
Q: What is the polyurethane hardness rating and why does it matter?
A: The 631-051 features 95A durometer polyurethane tread. This hardness rating provides an optimal balance between grip, load capacity, and wear resistance, making it suitable for high-load electric lift truck applications across varied floor surfaces.
Q: What are the cross-reference part numbers for the 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. These multiple references indicate broad compatibility across lift truck brands and models. Always match your original part number when ordering.
Q: How does the 5-inch diameter benefit high-load applications?
A: Provides increased load-bearing capacity compared to smaller wheels. Distributes load over a greater contact patch, reducing stress on the bearing and axle assembly. This design is standard for heavy-duty electric lift trucks handling maximum load ratings.
Q: How should I store the 631-051 wheel when not in use?
A: Store the wheel in a clean, dry environment away from direct sunlight and extreme temperatures. Keep it in a position that does not put sustained pressure on the bearings. Periodically rotate the wheel during storage to prevent flat-spotting on the polyurethane tread.
Q: How do I verify that the 631-051 is compatible with my lift truck?
A: The 631-051 is a cross-platform component. Check your equipment documentation for the original wheel part number and match it against the cross-reference list. Contact your distributor if you need compatibility confirmation for your specific lift truck model.
