NBR
④ Dimensional numbers Shaft number 45: The seal suits the shaft diameter of ϕ45 mm. Housing bore number 70: The seal suits the housing bore diameter of ϕ70 mm. Width number 8: The seal width is 8 mm. ⑤ Special shape code
Replacing a crankcase side-cover gasket
Oil seal for higher pressures
Have you found the right oil seal for your application? The next step is fitting the oil seal correctly, so that it remains undamaged.

The garter spring is located at the end of the primary sealing lip and used to apply pressure to the sealing lip against the shaft. Common garter spring material types are: