Side-Mount Caster 125 lb Load Rating 0 to 299 lb Load Rating Range 4 in Wheel Dia 1 in Wheel Width 10 1/2 in Overall Height Wheel Bearing Type Plain I Mounting Plate Bolt Hole Pattern Mounting Plate Size 4 in x 1 in 2-1/4 in Inside Bolt Hole Spacing 2-1/4 in Outside Bolt Hole Spacing No Non-Marking 1 23/32 in Maximum Compression