Best place to buy sealed cartridge bearings? - BikeRadar For
All bearings of the same size are numbered the same, whoever the manufacturer. If you have a SKF 6901-2rs, anyone elses bearing, NITTO, FAG, unbranded, KOYO...they;ll all be 6901-2RS. Even if you didnt have the part number, almost any bearing supplier will be able to tell what it is just by its dimensions, OD, ID and depth.