Service Caster Series #30 rigid caster fitted with 6 inch diameter by 2 inch wide rubber tread on metal core wheel.
Wheel rotates on roller bearing
600 pounds capacity per caster
Top plate size: 4-1/2" x 6-1/4"
Bolt hole dimensions: 2-7/16" x 4-15/16" to 3-3/8" x 5-1/4"
Bolt size: 1/2" (hardware not included)
Mounting Height: 9-1/2"
Tread Hardness: 70-80 Shore (A) Durometer
Quality casters featuring bright zinc plating and grease fittings.