Service Caster #20 Series bolt hole swivel casters with 3-1/2 inch glass filled nylon wheel and brake are a versatile caster choice. Featuring a zinc plated finish and double heat treated ball bearing raceways, these casters are ideal for light and medium duty racks, carts, equipment, and shop projects.
475°F for 30 continuous minutes. Longer durations under high heat will decrease the lifetime of the caster wheel.
Wheel size: 3-1/2" x 1-1/4"
Wheel hardness: 70-80 Shore D Durometer
Bolt hole: 1/2" diameter
Mounting height: 4-1/8"
350 pound capacity per caster Wheel rotates on sleeve bearing (Use for manual speeds; 3 mph.)