Ball bearing from Schmitt with crankshaft bearing (metal cage) in SKF C4 quality as a set including all necessary FKM oil seals for an engine overhaul suitable for Simson M541 / M741 engine for Simson moped or Simson scooter of type S51, S53, S70, S83, KR51/2, SR50, SR80.

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 features:

Seal: open

Bearing clearance crankshaft: C4

Bearing air gearbox: CN

Ring material: rolling bearing steel

Rolling element material: rolling bearing steel

Cage material: sheet steel

The 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 ASTM standard. Whereas Viton® is a trademark of the company DuPont Performance Elastomers.

In our range, all fluororubber products are designated with the abbreviation FKM.