
NTN Crankshaft Bearing 40x90x23mm – ref. 6308C3
This spare part is designed for quad engines, motocross machines, and roadsters. This NTN bearing features standard dimensions of 40 x 90 x 23 mm to replace a worn crankshaft bearing. Manufactured by NTN, a global specialist in bearings, it is aimed at motorcyclists and mechanics looking for a precise part for the restoration of the bottom end.
Compatible with numerous machines, it is suitable for crankshaft interventions during intensive riding or restoration. Among the commonly mentioned models are:
Before installation, check the reference and dimensions on your engine. Installing the bearing on the crankshaft requires appropriate tools (press, fitting tools) and precise control of the play and alignment; entrust the installation to a professional if necessary to ensure reliable operation of the bottom end.