Wholesale 4 Inch SS Glass Filled Nylon Swivel Caster with Ball Bearing

4 Inch SS Glass Filled Nylon Swivel Caster with Ball Bearing and Brake. Listing is for one (1) Service Caster Series #30 stainless steel swivel caster with a 4" diameter by 2" wide glass filled nylon wheel and maintenance free precision ball wheel bearings and a side lock brake capable of supporting 1200 lbs./caster. When searching for a reliable and durable heavy duty solution to your caster needs, consider Service Caster’s Series 30 stainless steel glass filled nylon casters. The Service Caster Series #30 is ideal for medium and heavy duty material handling, carts, equipment, and shop projects. The glass filled nylon wheels provide very low rolling resistance, show a high resistance to many aggressive substances, will not flat spot, and under normal operating conditions are maintenance free.