Johnson Duramax Cutless Bearing Non-Metal Gwen 1-7/8"I.D. x 2-5/8"O.D. x 7-1/2"L. These Non-Metallic Sleeve Bearings feature a structure of engineered reinforced thermoset plastic. The nitrile rubber polymer liner that is bonded to shell, is non-corrosive and inherently resistant to chemicals, oil and grease, as well as being anti-electrolytic.