Crankshaft bearing set NARAKU FKM Heavy Duty for Derbi EBE, EBS, D50B

NARAKU Heavy Duty -HD- crankshaft bearing set, including one left and one right metal-cage crankshaft bearing with FKM Premium crankshaft seal rings.

The origin of the bearings provides information about the load capacity: only the highest-quality Japanese bearings with C3 bearing clearance from one of the leading Japanese bearing manufacturers, NTN or KOYO, are used. This provides the basis for all loads, whether in normal operation or racing use.
Please note! When changing the crankshaft, always use new bearings and seals!!
FPM, FKM, Viton®:
The abbreviations or names mentioned refer to 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 DuPont Performance Elastomers. In our range, all fluororubber items are designated with the abbreviation FKM.