... 3.Mold on rubber caster,plain bearing 4.Good quality. Reasonable price. 1.Product specifications:1.Wheel diameter: 160mm, ... .Pressed steel housing,zinc plated,double ballrace swivel head6.Caster with or without brake available 7.Assorted colors (optional)8.Applications ... , such as, for industrial machine, medical facility, furniture, trolley, shopping cart, forklift, scaffold, shelf, etc.Welcome to ...