Listing is for a set of four (4) Service Caster Series #30 stainless steel casters, two (2) swivel casters with bolt on swivel locks and two (2) rigid casters, with 8" diameter by 2" wide polyurethane tread set on a polyolefin core wheel and maintenance free precision ball wheel bearings capable of supporting a total weight of 4,000 lbs. (1,000 lbs./caster).
- Weight Capacity: 4": 600 lbs Capacity/Caster, 5": 750 lbs Capacity/Caster, 6": 900 lbs. Capacity/Caster, and 8": 1,000 lbs Capacity/Caster
- Top plate measures at 4" x 4-1/2" with a bolt hole pattern of 2-5/8" x 3-5/8" to 3" x 3" and can either be bolted or welded on.