Housing: | HD pressed steel, double ballrace swivel Zinc-plated,Dust- proof seal |
Wheel: | HD nylon double precision ball-bearing Temperature range -10 ° C 70 ° C Resistant to Oil,Grease,Water,etc. Good Rolling Resistance |
Housing: | HD pressed steel, double ballrace swivel Zinc-plated,Dust- proof seal |
Wheel: | HD nylon double precision ball-bearing Temperature range -10 ° C 70 ° C Resistant to Oil,Grease,Water,etc. Good Rolling Resistance |