Service Caster #20 Series swivel casters with 3-1/2 inch solid blue polyurethane wheel and brake. These versatile casters are ideal for light and medium duty material handling, carts, equipment, and shop projects.
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: 4" x 4-1/2"
Bolt hole pattern: 2-5/8" x 3-5/8" to 3" x 3"
Bolt size: 3/8" (hardware not included)
Mounting height: 4-5/8"
300 pound capacity per caster
Wheel tread hardness: 60 - 65 Shore (D) Durometer