Differential oil seal is also called half shaft oil seal, is the differential to prevent lubricating oil leakage device.
Oil seals are needed for all parts with liquid lubricating oil in the running body box and connected with the outside. Some are rubber, some are metal, most are steel bone rubber, such as crankshaft back oil seal,
gearbox before and after the oil seal, left and right half shaft oil seal, main reducer before the oil seal, air compressor crankshaft oil seal and so on.
From the sealing function of the oil seal, characteristics, structure type, working state and sealing mechanism can be divided into many forms and different names, but it is customary to call the rotary shaft lip sealing ring oil seal,
static seal and dynamic seal (general reciprocating movement) with seals called seals.
The representative form of oil seal is TC oil seal, which is a double-lip oil seal with self-tightening spring completely covered by rubber. Generally speaking, the oil seal often refers to the TC skeleton oil seal.
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