product Name: 3" Swivel Friction Grip Ring Stem Casters for Bussing
and Utility Carts & BENEFITS:
Made of pressed steel, with double ball bearing in the swivel head,
by the special top threaded stem and ball disc design. The special
dynamic riveting process
of the swivel head results in minimal swivel head play and smooth
characteristics with an increased service life achieved by the work
hardening of the
ball race grooves. Bolted wheel axle. Zinc-plated, blue-passivated,
Made of standard solid rubber on pressed steel rim.
Made of standard solid rubber.
Pressed steel rim, zinc-plated, blue-passivated, Cr6-free.