You're viewing caster wheel SKU W-820-NRA-3/4 on CasterConnection.com.
Neoprene is a special formula of rubber that provides far better chemical and oil resistance than standard rubber. These wheels have a hardness of 70 on the Shore A durometer scale, and come standard with roller bearings.
. This wheel includes a Roller Bearing with a caster hub length of 1-3/4".