Johnson Cutless Naval Brass Sleeve Bearing Johnson Cutless rubber-lined Naval Brass Sleeve Bearings adapt equally well to strut and stern tube mounts, and are often used effectively as rudder stock and pintle bushings. Bearing diameters are precision fitted to the designated shaft size with the correct clearance for efficient water lubrication. External brass shells are machined and polished to provide easy fitting. Specially formulated oil and chemical resistant nitrile rubber is securely bonded to the shell. Precaution: When Shrink fitting of the bearing is required, Chilling must be achieved by gradual cooling to not more than minus 20?F using a freezer or regular Ice. Do not use Dry Ice!Features & Specifications Manufacturer Part Number: BACK Diameter: Outside: 1-1/4" Length: 4" Shaft: 1" dia. Wall Thickness: 1/32"