This 8" x 2" caster wheel with 2-1/2" hub and urethane tire is an economical replacement for the casters on certain models of Invacare power chairs. Please check the Compatibility tab for a full listing of known compatible models. This caster uses two 7/16 1607-RS bearings (not included). Tire Size: 8"x2" (200x50) Tire Type: Urethane Bearing: 1607-RS ![]() | |