Product Description
SU S9166-A Load Wheel Assembly by Liftsplus.com. Polyurethane tread load wheel with 3.25 inch OD, 6.5 inch width, 2.047 inch bore, Shore A 95 hardness, precision machined steel core. Application: Electric lift truck parts for long runs and heavy load usage.
Specifications
Dimensional
| Bore Tolerance | ±0.005 inch |
Material & Construction
| Hub Material | Precision machined steel core |
| Finish | Machined steel with molded polyurethane |
Part Numbers
| Manufacturer Part Number | SU S9166-A |
| OEM Part Number | SU S9166-A |
Frequently Asked Questions
Q: What are the specifications of SU S9166-A?
A: SU S9166-A is a load wheel assembly with 3.25 inch outside diameter, 6.5 inch width, and 2.047 inch bore diameter. The hub is precision machined steel with Shore A 95 polyurethane tread molded on. The bore tolerance is plus or minus 0.005 inch. These tight specifications ensure accurate fitment on standard electric lift truck hubs.
Q: How does the 2.047 inch bore affect compatibility with my truck?
A: The 2.047 inch bore must match your truck axle diameter exactly. A bore that is too large will spin on the axle and cause steering problems and bearing damage. A bore that is too small will not fit the axle at all. Before ordering SU S9166-A, measure your truck axle diameter with calipers. If your axle is 2.000 inch or 2.125 inch, you need a different wheel.
Q: Is the 6.5 inch width standard for all electric lift trucks?
A: No. Wheel width varies by truck model and load requirements. SU S9166-A is 6.5 inches wide. Common widths are 2, 4, 6.5, and 8 inches. Measure the width of your existing wheel before ordering. Installing a wheel that is too narrow may cause the truck to tilt or tip during turns. Installing a wheel that is too wide may jam against the truck frame.
Q: What does Shore A 95 hardness mean for load wheel performance?
A: Shore A 95 indicates the polyurethane is very hard and durable. Higher hardness means less tread compression, longer wheel life, and better load support. Shore A 95 is appropriate for heavy-duty warehouse use on concrete floors. Softer polyurethane (Shore A 85) wears faster but provides better shock absorption on rough floors. For standard warehouse conditions, Shore A 95 is the right choice.
Q: What happens if I install SU S9166-A with the wrong bore diameter?
A: If the bore is too large, the wheel will spin freely on the axle, causing loss of steering control and making the truck unsafe to operate. The bearings will wear rapidly due to excessive play. If the bore is too small, the wheel will not slide onto the axle at all. Always verify the 2.047 inch bore matches your truck axle before installation. Never force a wheel onto an incompatible axle.