TC 17x30x8 Oil Seal 14x30x9mm Nitrile Rubber Double Lip Rotary Shaft Oil Seal With Garter Bearing Seal Replacement ✔SIZE-Metric 17mm Inner Diameter, 30mm Outside Diameter, 8mm Width. Premium spring-loaded double-lip oil seal with integrated steel reinforcement element. Used for oil or grease retention ✔Material-Made from Nitrile rubber standardized to 70A NBR with a temperature range of -4°F (-20°C) to 212°F (100°C). SIZE-Metric 15mm Inner Diameter, 30mm Outside Diameter, 5mm Width. ✓Material-Made from Nitrile rubber standardized to 70A NBR with a temperature range of... Oil seals are used to protect shafts and bearings from ingress of dirt and foreign matter and egress of oil or grease. ID 18/19mm NBR Nitrile Rubber Shaft Oil Seal TC-18/19 * 28 ✔Performance-It can be used to protect shafts and bearings from dirt and foreign matter and grease seepage, and has good resistance to a variety of mineral oils,petroleum oils, hydraulic oils and lubricating greases.