Johnson Duramax SUSAN Non-Metallic Sleeve Cutless Bearings feature a dense structure of engineered reinforced thermoset plastic. SUSAN non-metallic cutlass bearings are ideally suited for installations wherever corrosion or electrolysis is a problem. Duramax Marine is the world's largest supplier of non metallic bearings and each is made in the USA. Order your SUSAN cutless bearing today and save. The measurements for the SUSAN cutlass bearing are: Shaft Size: 5-3/8 inches Outside Diameter: 6-3/4 inches Length: 21 inches