Ceramic Rear Bearing 14.2x25.3x6 for Werks/Orion

Ceramic rear bearing 14.2mm x 25.3mm x 6mm for the Werks/Orion.

***IMPORTANT: Extended inner bearing race faces the rear of the engine.***

The bearings have double the RPM capability over steel and reduce friction,rotating mass and vibration. Material specs 52100 bearing steel, poly cage, Cerbec balls grade 3.