Product Description
Superior SU S9139-XL-A load wheel assembly featuring 5-inch diameter Velocity HeatSink aluminum hub with 3.625-inch wide Cushothane XL polyurethane tread at 97 Shore A hardness. Engineered for Class 2 electric reach trucks with 70% weight reduction versus steel hubs, dual bearing configuration options (greaseable Z or sealed 2RS), and enhanced thermal dissipation providing 10°F cooler operation. Pre-pressed bearing assembly with guaranteed bond integrity.
Specifications
Material & Construction
| Tread Hardness | 97 Shore A durometer |
| Hub Material | Aluminum alloy construction |
| Bond Construction | Polyurethane-to-hub bond with no separation guarantee |
Mechanical Specifications
| Bearing Configuration Option 2 | Dual sealed non-greaseable bearing (2RS configuration, seals on interior and exterior faces) |
Part Numbers & Compatibility
| Manufacturer Part Number | SUS9139-XL-A (Superior Tire & Rubber Corp.) |
| Alternate Part Number Format | SU S9139-XL-A, SU 9139-XL-A |
| Compatible Equipment | Class 2 Electric Reach Trucks |
Performance Specifications
| Service Life Enhancement | Up to 2x longer wheel service life versus traditional solid steel hub wheels |
