Set of 4 (four) Service Caster #20 Series casters, 2 rigid and 2 swivel with top lock brake fitted with 4 inch by 1-1/4 inch 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: 4" 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"
Mounting Height: 5-1/8"
350 pound capacity per caster