Housing: | Pressed steel, double ballrace swivel Zinc plated,Dust-proof seal |
Wheel: | Polyurethane on nylon hub, Precision double ball bearing Durable, Wear resistant Low rolling resistance Temperature Range -10 ° C 70 ° C Hardness 95 ± 3 shore A |
Housing: | Pressed steel, double ballrace swivel Zinc plated,Dust-proof seal |
Wheel: | Polyurethane on nylon hub, Precision double ball bearing Durable, Wear resistant Low rolling resistance Temperature Range -10 ° C 70 ° C Hardness 95 ± 3 shore A |