Premium oil seal from Naraku made of FKM with the best thermal properties for high engine loads and for a perfect and durable sealing. Absolutely resistant to all engine oils and fuels.
Internal diameter: 22mm Outer diameter: 47mm Thickness / Depth: 7mm
For instance to be used as a crankshaft seal ring suitable for Simson S50, SR4-1, SR4-2, SR4-3, SR4-4, KR51/1 Schwalbe, Star, Sperber, Spatz, Habicht.
FPM, FKM, Viton®:
Behind the abbreviations or names mentioned is the identical basic material - fluororubber. FKM is the abbreviation for fluoroelastomers according to the American ASTM standard. Viton®, on the other hand, is a trademark of the company DuPont Performance Elastomers.
In our range, all fluoro rubber items are designated with the abbreviation FKM.
For instance to be used as a crankshaft seal ring suitable for Simson S50, SR4-1, SR4-2, SR4-3, SR4-4, KR51/1 Schwalbe, Star, Sperber, Spatz, Habicht.
FPM, FKM, Viton®:
Behind the abbreviations or names mentioned is the identical basic material - fluororubber. FKM is the abbreviation for fluoroelastomers according to the American ASTM standard. Viton®, on the other hand, is a trademark of the company DuPont Performance Elastomers.
In our range, all fluoro rubber items are designated with the abbreviation FKM.







