Note: Should you enter key word "6303RMX" into eBay or Amazon, you will note the availability of aftermarket sizing bearings - 10X42X13. "6303RMX" is stamped within the OEM idler #two bearings. I've strong doubts about these currently being quality bearings, including the Koyo bearings labeled as currently being made in https://az-directory.com/listings13221711/5-simple-techniques-for-debt-collection-in-anaheim