The material composition of 6mm hex head bolts also contributes to their popularity

What are rotary shaft seals?
Figure 5: JTEKT seal numbering system
Table 6: Codes and numbers used in seal numbers
There may be a thick spacer gasket between two thin paper ones. Check the spacer for cracks. If it needs replacing, be sure the new one is the right thickness, because this governs the fuel-pump lever stroke .
Different types of rotary shaft seals are available in the market, including radial lip, axial lip, and mechanical face seals.
EPDM oil seals are less common. They are used in solvent, hot water and steam applications, EPDM resists low temperatures down to -50 °C and UV radiation well. Some types of EPDM are also suitable for higher temperatures up to +150 °C. EPDM oil seals are usually available upon request.


Rotary Wheel Of Auto Parts
Finding oil spots under a parked vehicle can be both worrying and stressful for any vehicle owner. If the seal’s leak is small, oil may start to accumulate on the underside of the engine. But as the leak gets bigger, the oil leak will become visible in the front side of the engine.
