Johnson Cutless^® Non-Metallic Bearings feature a dense structure of engineered reinforced thermoset plastic. The specially compounded Nitrile Rubber is securely bonded to the shell with all tolerances maintained for proper lubrication. Being non-corrosive and inherently resistant to all known chemicals, oil and grease, as well as being anti-electrolytic, Non-Metallic Sleeve Bearings are ideally suited for installations wherever corrosion or electrolysis is a problem. Shaft 1" OD 1-1/4" Length 4" Johnson Name BABE