Service Caster #20 Series swivel casters with 4 inch diameter by 2 inch wide solid blue polyurethane wheel. These casters are ideal for light and medium duty material handling, carts, equipment, and shop projects.
Wheel size: 4" x 2"
Top plate size: 2-3/8" x 3-5/8"
Bolt hole dimensions: 1-3/4" x 2-7/8" to 3"
Bolt size: 5/16" (hardware not included)
Mounting height: 5-1/8"
450 pound capacity per caster
Wheel rotates on Roller Bearing (Use for manual speeds; 3 mph.)