I'll bet their is only one you can still buy? The 1275 bearing sold in the UK is actually the 1098 bearing..... Weslake-Monza 1330 In a message dated 22/07/2009 20:35:01 GMT Daylight Time, fredpixley at sympatico.ca writes: I noticed three different part numbers for release bearings for 948, 1098, and 1275.