6206RD bearing 28x62x16. 
 
This bearing fits the clutch side of the Yamaha Sidewinder jackshaft (press on application).  The Yamaha bearing is marked as a 6206 on the bearing and in the parts diagrams but is a non-standard 28x62x16 size.   This is the OEM bearing part number 8JP-RAG07-00 for that application.