Product Description
Load Wheel Assembly
Specifications: 4.000 inch diameter x 2.500 inch width (4.000" x 2.500" | 4 x 2.5 wheel | 4 x 2-1/2 | 101.60mm x 63.50mm)
Specifications
Wheel Dimensions
| Material | Cushothane XL |
| Outside Diameter | 4 |
| Width Side to Side | 2.5 |
| Tread Profile | 3/8 Radius |
| Bore Depth | 0.591 |
| Hub Width | 2.5 |
| Bore Outside Diameter | 2.0467 |
Frequently Asked Questions
Q: What does the -A designation mean on the SU 9143-A?
A: The -A suffix indicates this is a wheel assembly variant. The SU 9143-A includes the wheel component with certain pre-installed or compatible assembly features. Compare with the bare wheel (SU 9143) and the fully equipped assembly (SU 9143-XL-A) to determine which suits your installation needs.
Q: Are the dimensions the same on SU 9143-A as the standard SU 9143?
A: Yes. The SU 9143-A maintains the same 4.000 inch diameter x 2.500 inch width (101.60mm x 63.50mm), 2.0467 inch bore diameter, 2.5 inch hub width, and 0.591 inch bore depth. All dimensional specifications are identical to the standard SU 9143.
Q: Can I install the SU 9143-A wheel on my existing jack without modifications?
A: Installation depends on your current wheel configuration and hub type. The SU 9143-A is designed as a direct replacement for compatible wheel hubs. Verify that your jack wheel bore diameter matches 2.0467 inches and hub width is 2.5 inches. No modifications are needed if specifications match. If unsure, contact the equipment manufacturer with your serial number.
Q: What material is used in the SU 9143-A?
A: The SU 9143-A uses Cushothane XL polyurethane with a 3/8 inch radius tread profile. This provides durable, non-marking performance on warehouse floors, concrete, and tile surfaces. The material is standard for indoor electric lift truck applications.
Q: How does the SU 9143-A compare to the SU 9143-XL-A?
A: The SU 9143-A is a basic assembly variant, while the SU 9143-XL-A is a complete, fully equipped assembly with steel hub construction, XL3 bonding, 97A durometer rating, and pre-pressed precision bearings. Choose SU 9143-A for standard applications and SU 9143-XL-A for heavy-duty, long-service-life requirements.
Q: What is the expected service life of the SU 9143-A wheel?
A: In typical warehouse environments (8-12 hour daily shifts, moderate loads on smooth concrete), the SU 9143-A should provide 18-36 months of service. Heavier loads, rough surfaces, or continuous operation reduce lifespan. Monitor for uneven wear, flat spots, or hardening of the tread. Replace when tread thickness becomes less than 1/4 inch or steering becomes difficult.