Notice: In the event you enter keyword "6303RMX" into eBay or Amazon, you will see the availability of OEM sizing bearings - 10X42X13. "6303RMX" is stamped within the OEM idler #two bearings. I have powerful uncertainties about these becoming high-quality bearings, including the Koyo bearings labeled as remaining designed in https://isitedirectory.com/listings13226584/credit-card-recovery-in-anaheim-an-overview