Custom-made rubber oil seal
3. Seal types and numbering system
Figure 4: JTEKT oil seal features
The basic principle of sealing is straightforward – the flexible lip is held against the rotating part (usually the shaft) whilst the casing (or O.D.) is pressed into the housing or bore and holds the seal in place. The sealing lip needs some form of lubrication to avoid overheating and is usually energized by means of a garter spring.
Standard 3760/3761
Valve Cover Gasket Set: Comprehensive Sealing Solutions
Gaskets and oil seals should be replaced if worn or leaking, or whenever removed during servicing. Replacement is simple, but some engine dismantling may be necessary to reach them. Buy gasket sets from a dealer for the make of car, and state clearly for what parts they are needed.
Rotary Wheel Of Auto Parts
In our cutting edge technology centers in the Netherlands, the USA and the UK, we design and develop specific and custom-made rubber sealing parts for many industries.
Oil seals come in a vast range of materials and compounds. Even older materials, such leather, are still used today. Nitrile is among the most common materials for oil seals but is slowly losing ground to PTFE, which is gaining popularity due to its effectiveness in high-speed applications.