3-1/2" X 1-1/2" Steel Wheel Swivel Caster - 350 Lbs Capacity overall-height-11-1/2 they can also operate off

they can also operate off the track thanks to the tread on either side of the v-groove

3/8"-16 x 1-1/2" Threaded Stem - Part # Q523038STLTLB

they can be harsh on floors and may cause damage over time

Cast Iron Wheel 8" x 3"

bearings with have a 180°F temperature rating

3-1/2" X 1-1/2" Steel Wheel Swivel Caster - 350 Lbs Capacity overall-height-11-1/2 they can also operate off3 1 2" x 1 1 2" Steel Wheel Swivel Caster Part # Q523501STL Metal wheels are the most durable and longest lasting type of caster wheel available in this size. However, while metal wheels are very strong and durable, they are rough on floors and could lead to floor damage. For floor protective wheels, be sure to check out our polyurethane, rubber, and polyolefin wheels. Specifications: Load Capacity (lbs.): 350 Link to Matching Rigid Caster: