crankshaft bearing set -NARAKU- FKM Heavy Duty for Derbi EBE, EBS, D50B vendita calda online

A set of Heavy Duty -HD- crankshaft bearings from NARAKU consisting of crankshaft bearings left and right with metal cage incl. FKM premium crankshaft seals.
The origin of the bearings gives 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 in racing use.
Please note! When changing the crankshaft always use new bearings and oil seals!!!
Explanation difference FPM, FKM, FKM®:
Behind the abbreviations or names mentioned is the same basic material, namely fluororubber. FKM is the abbreviation for fluoroelastomers according to the American ASTM standard. FKM®, on the other hand, is a trademark of DuPont Performance Elastomers.

In our product range, all fluororubber articles are designated with the abbreviation FKM.AI-translation