1. Criteria for selecting oil seals

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Like any element of the engine, oil seals are subject to wear. Over time they can lead to possible leaks of lubricating liquid.
2. Silicone – Used in specific applications where only light loads are applied.
An overview of the different standard types of oil seals and their main characteristics is shown below.
The sealing lip of the RST-D is more heavy-duty, so it can cope with pressures of up to 10 bar at slightly lower rotation speeds.
7. Selecting high-quality oil seals


Cold rolled carbon steel sheet
(JIS* SPCC)
The sealing lip is always made of a rubber or synthetic material. For oil seals with a rubber outer case (R, RST, GR, GRST), the rubber quality of the sealing lip and the outer case are the same.
Figure 4.6. Rubber reinforced with carbon black and CNT nanocomposite to reduce the accumulation of heat in tyre [42].
Maintenance and Replacement of Gaskets