Product Description
5 X 2 Poly Load Wheel. 97A
Specifications: 5.000 inch diameter x 2.000 inch width (5.000" x 2.000" | 5 x 2 wheel | 5 x 2 | 127.00mm x 50.80mm)
Specifications
Wheel Dimensions
| Material | Cushothane XL |
| Outside Diameter | 5 |
| Inside Diameter | 1.938 |
| Width Side to Side | 2 |
| Tread Profile | Angle |
| Bore Depth | 0.591 |
| Hub Width | 2 |
| Bore Outside Diameter | 2.0467 |
Frequently Asked Questions
Q: What does the 97A durometer rating on the SU S650-XL mean, and how does it affect performance?
A: The 97A durometer rating indicates the polyurethane hardness on the Shore A scale. Higher numbers mean harder material. The SU S650-XL at 97A is significantly harder and more abrasion-resistant than standard wheels, making it ideal for rough concrete, outdoor surfaces, or high-cycle operations where wheel wear is accelerated. The trade-off is slightly reduced grip on smooth surfaces and increased vibration transmission. Use the XL variant only if standard wheels wear too quickly for your application.
Q: Are the SU S650 and SU S650-XL physically identical, and can I swap them?
A: Yes, they are physically identical in all dimensions: 5.000 inch diameter, 2.000 inch width, 1.938 inch bore, and all other specifications match exactly. The only difference is polyurethane hardness. You can swap them directly without any modification or additional components. However, mixing hard and soft wheels on the same truck creates uneven wear and steering problems. If upgrading to the XL, replace both front wheels together.
Q: Which applications benefit most from using the SU S650-XL instead of the standard SU S650?
A: The SU S650-XL excels in these scenarios: outdoor use where concrete and stone aggregate cause rapid wear, high-cycle warehouse operations exceeding 3000 hours annually, rough dock surfaces, or facilities processing heavy loads frequently. Standard S650 wheels are adequate for smooth indoor warehouse floors with light to moderate use. If your facility shows standard wheel wear patterns within 1500 hours, upgrade to the XL variant. Evaluate cost of replacement labor against wheel cost to justify the upgrade.
Q: How do I know when it is time to replace an SU S650-XL wheel?
A: Monitor wheel diameter monthly using calipers or a micrometer. Replace when diameter drops 0.3 inches below nominal 5.000 inches due to the harder compound wearing more evenly than softer wheels. Look for cracks radiating from the bore, chunks missing from the tread, or visible bearing movement. XL wheels typically show less obvious wear than standard wheels but must still be replaced before reaching the bearing surface.
Q: Does operating a SU S650-XL wheel on smooth flooring reduce its lifespan or cause other problems?
A: Operating XL wheels on smooth warehouse floors does not shorten their lifespan; they will last longer than standard wheels even in low-wear environments. However, the harder compound provides less grip on slippery surfaces like polished concrete or wet floors, potentially increasing slip risk. If your facility is exclusively smooth, dry indoor space, the standard S650 is sufficient and more cost-effective. Use XL only if outdoor or rough-surface operation justifies the price premium.
Q: What is the expected operating life of an SU S650-XL in typical outdoor or industrial conditions?
A: Under heavy outdoor or industrial use, the SU S650-XL should provide 3000 to 5000 operating hours before replacement is necessary, compared to 1000 to 2000 hours for standard wheels in the same environment. Actual lifespan depends on surface type, load weights, and operator technique. Inspect every 500 hours for cracks or bearing issues. The harder polyurethane resists chunk-out failures better than softer wheels, making it more reliable in demanding conditions.