Heavy Duty -HD- crankshaft bearings from NARAKU.

This crankshaft bearing set includes NTN Japan quality crankshaft bearings left and right with metal cage and C3 bearing clearance and FKM crankshaft seal rings.

At NARAKU, they only use the highest quality bearings with C3 bearing clearance from Japanese bearing manufacturer NTN. With this Heavy Duty set of crankshaft bearings, the basis for all loads is given: whether in normal operation or for tuned engines.

Please note! When changing the crankshaft always use new bearings and new crankshaft seals!!

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.