Oil seal is a mechanical element used to seal oil. It isolates the parts that need lubrication in the transmission parts from the output parts,
so as not to make the lubricating oil leak. 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 this TC skeleton oil seal.
Crankshaft -- Crankshaft front and rear oil seal valve -- valve oil seal (engine repair package O ring) (distributor oil seal, water pump oil seal,
balance shaft oil seal, oil pump seal); Camshaft -- Camshaft oil seal; Transmission: gearbox - gearbox front, rear oil seal shift rod oil seal
(gearbox repair package O ring) (sub-brake - sub-brake front, rear oil seal); Rear axle: half axle -- rear axle oil seal differential --(front) rear Angle arrow oil seal,
rear wheel oil seal, front wheel oil seal, direction oil seal (directional machine repair kit, O-ring), direction booster oil seal, direction booster oil seal (front axle oil seal).
All the parts of the running body box with liquid lubricating oil and connected with the outside need oil seal. 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
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