Service Caster #20 Series Rigid casters with 4" high temperature phenolic wheel. Featuring a zinc plated finish, these casters are ideal for light and medium duty material handling, 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: 4" x 1-1/4"
Top plate size: 3-1/8" x 4-1/8"
Bolt hole pattern: 1-3/4" x 2-7/8" to 3"
Bolt size: 5/16" (hardware not included)
Mounting height: 5-1/8"
300 pound capacity per caster
Wheel rotates on roller bearing (Use for manual speeds; 3 mph.)
Wheel hardness: Shore 90D Durometer