Silicone Oil Seals - Designed to absorb lubricants in order to lessen wear and friction, silicone rotary shafts also offer high thermal resistance and a large temperature range. But, they do not handle abrasions well or interact with oxidized oils.

rocker valve cover gasket. This can result in overheating, engine malfunction, and even catastrophic failure if not addressed promptly.
Finding the right rubber oil seal for your application
The pulley may slide off easily; if not, use a universal puller, which you may be able to hire.
• Rubber torque prevents gear rattling noise
For more guidance and details regarding oil seals, contact Robco of America. Their professionals always help you with your gasket, bearing, and seal needs.
The most common oil seals are the ERIKS types R, RST, M and MST, which correspond respectively to types A, AS, B and BS according to DIN 3760/ISO 6194.


When the oil seal material and the chemical are not compatible, there will be a chemical attack, which increases at high temperatures. The only way to remedy this is to select the right material for your application. If you’ll be dealing with harsh chemicals, choose oil seals that are made with reliable materials for their compatibility.