WIDE APPLICATIONS - Oil seals are used to protect shafts and bearings from ingress of dirt and foreign matter and egress of oil or grease. Get superior sealing performance with EAI Oil Seal. Resistant to temperature, dirt & wear. Perfect for automotive, motorcycle, engines & more. Buy now METRIC DIMENSIONS - Outer diameter 41., 25mm, inner diameter 25mm, thickness 6mm. Carbon Steel Spring Oil Seal EAI Oil Seal 25mm X 42mm X 8mm (2 PCS Double Lip 25x52x7 Double Lip Nitrile Rubber Rotary Shaft Seal | In-Stock - Arrow Oil Seal Good resistance to many petroleum oils, greases, hydraulic fluids, mineral oil, and grease. Yethuanru TC 30mm X 42mm X 6mm, 2PCS Black Double Lip Oil Seal, Nitrile Rubber Cover Double Lip | With Spring, Oil Shaft Seal Fit For Bearing Shaft. $43.99 Water and oil resistance, heat resistant, good sealing, wear resistant, anti static. ADVANTAGE - TC type oil seal has double lips with a clamping spring and uses a rubber cover to improve the sealing ability.