Housing: | HD pressed steel, double ballrace swivel Zinc-plated,Dust- proof seal |
Wheel: | PU on nylon hub Double precision ball bearing Hardness 90 ± 5 shore A Temperature range -15 ° C 80 ° C Durable,Wear resistant Low rolling resistance |
Housing: | HD pressed steel, double ballrace swivel Zinc-plated,Dust- proof seal |
Wheel: | PU on nylon hub Double precision ball bearing Hardness 90 ± 5 shore A Temperature range -15 ° C 80 ° C Durable,Wear resistant Low rolling resistance |