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1094
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269
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1044
Polytetrafluoro-ethylene (PTFE - Teflon)
Note how the mounting nuts or bolts are fitted, then undo them. Have ready some wooden wedges to use as supports, and a strong helper to hold the engine steady.
Figure 4 shows the features of a JTEKT oil seal.
HOW OIL SEALS WORK

synthetic rubber gasket.
An oil seal consists of:
In addition to their sealing and durability properties, natural rubber gaskets also offer excellent resistance to a wide range of chemicals, including oils, solvents, and acids
. This makes them suitable for use in harsh industrial environments where exposure to corrosive substances is common.natural rubber gasket

Shaft and Bore Tolerances
Update: Leakage-free
Agricultural vehicles including Iveco, Opel, Massey Ferguson and Fiat
GV
PTFE Oil Seals - A relatively new and exciting oil seal, the use of polytetrafluoroethylene means that they can withstand dry or unlubricated operations. With a massive thermal range of -130ºC to +200ºC and a strong resistance to chemicals, they are considered to be the future of rotary shaft seals.