However, it's important to note that the self-drilling screw is not without its challenges
Many – too numerous to list, covering a vast range of designs, sizes, and materials suitable for a never-ending range of applications. Some designs conform to International Standards such as BS1399 and DIN 3760 for metric sizes and seal types, but the majority have been manufactured to suit particular applications – hence the enormous selection available. This blog is intended to assist in this selection and will consider seal type, materials, and sizes.
Rotary Wheel Of Auto Parts
Why use NOK-CN factory-made oil seals?
For more guidance and details regarding oil seals, contact Robco of America. Their professionals always help you with your gasket, bearing, and seal needs.
In this way, selecting the appropriate oil seal will lead to machine design that is economically superior!


Type code


The material of the sealing lip is chosen according to the liquid to be sealed and the rotational speed. For larger shafts, an NBR sealing lip can cope with surface speeds of up to 10-12 m/s, while an FKM lip is suitable for speeds of up to 35-38 m/s.
Purpose of oil seal