Service Caster #20 Series swivel casters with 4 inch polyurethane wheel are a versatile caster choice. Featuring a zinc plated finish, 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.
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Wheel dimension: 4" x 1-1/4"
Grip ring stem: 7/16" diameter x 1-3/8" long
Mounting height: 5-1/8"
300 pound capacity per caster
Wheel tread hardness: Durometer Shore 55D (+/- 5)
Please ensure that you have measured the stem size correctly. If you are uncertain about the measurements, visit our "How to Measure Caster Stems" page.