Polypropylene wheel with double ball bearings

1. Horn: Double Ball raceways design, zinc plaed.
2. Wheel: Milk-white color Polyolefin (65D) / Milk-white color thread guards (precision ball bearing).
3. Suggest to use for many fields with smooth floor environment. Like material handing, industry application, hospitals, factories, workshops. Warehouse, shop fitting and furniture. Temperature range -15℃~80℃
4. Load Capacity: 4" :280KG, 5" :340KG, 6" :400KG, 8" :440KG