Service Caster #20 Series swivel casters with 3 inch hard rubber wheel. Heat treated ball bearing raceway and bright zinc plated finish. These casters are ideal for light and medium duty material handling, carts, equipment, and shop projects.
Wheel size: 3" x 1-1/4"
Top plate size: 3-1/8" x 4-1/8"
Bolt hole pattern: 1-3/4" x 2-15/16" to 2-3/8" x 3-3/8"
Bolt size: 5/16" (hardware not included)
Mounting height: 4-1/8"
300 pound capacity per caster
Wheel hardness: 70-80 Shore D Durometer