Allpoints 26-2399 5" Swivel Stem Caster with Brake for 1" O.D. Tubing - 300 lb. Capacity

expansion stem swivel caster w/brake for 1" od tubing exact stem size .848" od wheel size 5" tread width 1 1/4" bore 1/2" id delrin bearing 3/8" id beige hub, grey rubber load height 6 1/4" max load per wheel lbs. 300.