Manufactured with a non-metallic outer sleeve designed for applications where corrosion or electrolysis may be of some concern. The bearing features a dense outer case structure of engineered reinforced thermo plastic for rigidity and fit. The specially compounded nitrile rubber is securely bonded to the shell with all tolerances maintained to ensure proper lubrication integrity. Johnson employs the highest quality materials that are inherently resistant to all known chemicals, oil and grease to ensure a non-corrosive anti-electrolytic bearing. Johnson non-metallic Cutless® brand propeller shaft bearings have full type approval from the American Bureau of Shipping and are available in imperial and metric sizes for shaft diameter from 3/4″ to 6-1/2″ (19.05mm to 165.10mm). Code Description Shaft Diameter mm Outside Diameter mm Length mm Metal Thickness mm Weight kg 190404 Cutless Bearing NM 870 30 x 45 x 120mm 30 45 120 3.07 0.2 190408 Cutless Bearing NM 870 35 x 50 x 140mm 35 50 140 3.07 0.2 190420 Cutless Bearing NM 870 75 x 95 x 300mm 75 95 300 3.05 1.1 190424 Cutless Bearing NM 870 90 x 110 x 360mm 90 110 360 4.76 1.5 190426 Cutless Bearing NM 871 100 x 125 x 400mm 100 125 400 3.76 2.1