ball bearing set Schmitt Racing TN9 polymer cage C4 for Simson M500 engine
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ball bearing set Schmitt Racing TN9 polymer cage C4 for Simson M500 engine
ball bearing set Schmitt Racing TN9 polymer cage C4 for Simson M500 engine
Item Nr.:
STT49267
Schmitt
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$48.57
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A set of ball bearings with special SKF TN9 polymer cage crankshaft bearing in C4 quality and all gearbox bearings in CN quality including all necessary FKM shaft seals. A complete set of bearings for engine overhaul suitable for Simson moped S51, S53, S70, S83, KR51/2, SR50, SR80 with M500, M700 engine.

Ball bearings with polymer cage are used in racing for high-speed 2-stroke engines. SKF specifies here the speed resistance up to 20,000rpm! The advantage: elastic polymer cage with less friction!

Important! Note the installation direction of the crankshaft bearings: the half-open cage must be installed in the direction of the crankshaft cheeks!

Included in delivery:
  • 2x SKF bearing 6204 C4
  • 1x bearing 6004 CN
  • 1x bearing 16004 CN
  • 1x bearing 6203 CN
  • 1x bearing 6000 CN
  • 1x Oil seal FKM Premium 20x47x7mm
  • 1x oil seal FKM Premium 20x35x7mm
  • 1x oil seal FKM Premium 22x35x7mm
  • 1x Oil Seal FKM Premium 20x30x7mm

  • The ball bearings in this set have the following characteristics:
  • Seal: open
  • Bearing clearance crankshaft: C4
  • Bearing air gearbox: CN
  • Ring material: rolling bearing steel
  • Rolling element material: rolling bearing steel
  • Cage material crankshaft bearing: TN9 polymer cage
  • Gearbox bearing cage material: sheet steel


  • Difference between FPM, FKM, Viton®:
    Behind the abbreviations or names mentioned is the identical basic material fluororubber. FKM is the short form for fluoroelastomers according to the American standard ASTM. Whereas Viton® is a trademark of the company DuPont Performance Elastomers.

    In our range, all fluororubber products are designated with the abbreviation FKM.
    Item Nr.:
    STT49267
    Ready for shipment:
    7 days
    manufacturer:
    Schmitt
    Weight:
    0.65 kg
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