Service Caster #20 Series swivel casters with 3 inch semi steel cast iron wheel. These versatile casters are ideal for light and medium duty material handling, carts, equipment, and shop projects.
Wheel size: 3" x 1-1/2"
Top plate size: 3-1/8" x 4-1/8"
Bolt hole pattern: 1-3/4" x 2-15/16" to 2-3/8" x 3-3/8"
Bolt size: 5/16" (hardware not included)
Mounting height: 4-1/8"
350 pound capacity per caster
Wheel rotates on roller bearing (Use for manual speeds; 3 mph.)