OS Engines 21230020 Replacement Rear Bearing for the OS MAX .12C

This is the Replacement Rear Bearing for the OS MAX .12CV-R,15CV-RX Engine.
The rear of the crankshaft rotates in this.

FEATURES: This ball bearing is thicker than a standard CV bearing and has
larger balls inside that are better able to handle the increased
loads.

SPEC:     Outer Diameter: 18.9mm
Inner Diameter: 10.1mm
Width:           4.9mm