Set of 4 (four) Service Caster #20 Series swivel casters, 2 with brakes, fitted with 3-1/2 inch by 1-1/4 inch non-marking blue polyurethane tread wheel. These casters are ideal for light and medium duty material handling, carts, equipment, and shop projects.
Wheels roll smoothly with integrated ball bearing design. The polyurethane wheel performs well on most surfaces, and excels on hard surfaces like concrete, tile, and wood. They will not mark or mar floor surfaces.
Wheel Size: 3-1/2" x 1-1/4"
Top plate size: 2-1/2" x 3-5/8" with ball bearing swivel
Bolt hole pattern: 1-3/4" x 2-7/8" to 3"
Bolt size: 5/16" (hardware not included)
Mounting Height: 4-5/8"
300 pound capacity per caster