PPBearing has specialized in the export and supply of a wide range of bearings for many years. Not only do we have a large number of KOYO R9/10-1 bearings available from stock, but there are also thousands of other types of bearings available to you. KOYO R9/10-1 bearing size parameters are 9 - 12 - 10 (mm) Needle Roller Bearing. Our KOYO R9/10-1 is of higher quality and lower maintenance cost than other suppliers. Of course, the price is also more competitive. We promise to provide professional and quality service with timely delivery.