TB type oil seal - outer iron case, inner half pack, double lip type oil seal, spring inside
It is one of the standard models of skeleton oil seal, belonging to rotary oil seal, used for sealing with oil and dust, the highest pressure 0.03mpa (0.3kGF /m2), widely used. Choose different materials according to different use medium, pressure and temperature. Common materials include: butadiene rubber TB skeleton oil seal, fluorine rubber TB skeleton oil seal, silicone rubber TC skeleton oil seal and so on. 
