3 Inch Semi Steel Cast Iron Wheel Swivel Top Plate Caster Set Service Caster

These Service Caster Series #20 Semi Steel Cast Iron casters offer various wheel sizes and mounting heights: 3” Wheel: 4-1/8” mounting height; 4” Wheel: 5-1/8” mounting height; 5” Wheel: 6-1/8” mounting height. Weight Capacity: 3", 4", and 5": 300 lbs Capacity/Caster Top plate measures at 3-1/8" x 4-1/8" with a bolt hole pattern of 1-3/4" x 2-15/16" to 2-3/8" x 3-3/8" and can either be bolted or welded on. Brake options include a top lock brake (TLB). The top lock brake (TLB) places a positive locking force against the wheel tread locking the wheel only.