2012 original 6203 2RS single row motorcycle bearing 1.Deep Groove:17*40*12mm 2.Width: 12mm 3.High accuracy/speed, Low noise 2012 original 6203 2RS single row motorcycle bearingBearing much application on the motorcycle, in particular, thrust ball bearings are widely used in the crankshaft, main shaft, countershaft, front and rear wheels. Its use reduces the rolling resistance to reduce the ...