Johnson Duramax cutless bearings adapt equally well to strut and sterntube mounts, and are often used efficiently as rudder stock and pintle bushings. Bearing diameters are precision fitted to the designated shaft size with the correct clearance for efficient water lubrication. Johnson Duramax cutless bearings are available in both metric and standard sizes. External brass shells are machined and polished to provide easy fitting. Johnson Duramax metric cutless bearings are specially formulated oil and chemical resistant nitrile rubber is securely bonded to the shell. Duramax Marine is the world's largest supplier of marine bearings, and each is made in the USA.