Caster Load Rating Range 0 to 299 lb Load Rating 250 lb Tread Centipede Wheel Dia 6 in Wheel Width 2 in Inside Bolt Hole Spacing 18 5/8 in x 3 in Outside Bolt Hole Spacing 3 in x 3 5/8 in Caster Brake Type No Brake Included Caster Product Group Swivel Caster Caster Sub-Type Swivel Operating Temperature Range -40 Degrees to 180 Degrees F Non-Marking No Wheel/Tread Material Rubber Tire Rim Dia 2 7/16 in Frame Finish Zinc Plated Tread Color Black Swivel Raceway Type Double Ball