Inquiry (采购产品): Corrosive environment wheel 4" diameter Sealed bearings or torlon (it doesn't have to be that frictionless). Wheel itself should be able to withstand significant side loading and be able to be drilled for an attachment. Prefer to have an integrated axle. Salt water environment. The wheel will be used as a swivel to attach a rotating load to (picture suspending the wheel from the rafters and attaching a rope to the outside of the wheel and having a load (about 1000 pounds) rotate around the center. **** Hidden Message ***** Thom Davis 473 Panorama Drive Benicia, CA 94510 USA Company: Thom's Sails and Rigging Title: Proprietor E-mail: tpdavis@yahoo.com **** Hidden Message ***** tpdavis@yahoo.com