cyclingcolors 2x Lip Seal Spy Sealing Inch Nitrile Rubber NBR Shaft Component Mechanical Oil Drain with Spring, 2 1/8x3x1/2" BB (54x76.2x12.7mm BB)

NBR rubber lip seal, comes in a pack of 2, intended for mechanical applications involving rotary or oscillating movements. It includes an integrated zinc plated retaining spring and a rubber outer cover for better accommodation to the housing. Dimensions (inside x outside x height): 2-1/8x3x1/2 inch BB i.e. 54x76.2x12.7mm BB; Size in inches suitable for standard mechanical shafts. Please check the inner diameter, outer diameter and width according to your technical requirements. BB seal type without dust lip; Excellent resistance to oil, grease and hydraulic fluids. Retention of sealing pressure thanks to the spring. Absorption of tolerances and boring defects. Longer life even in constrained environments. Quick and reliable installation. Especially suitable for rotating or translational shafts in engines, pumps, gearboxes and hydraulic systems, ensuring sealing between moving components. This seal offers good resistance to wear, temperature and oily environments. The spring reinforces the pressure on the lip for a constant and reliable seal over time.