Bearing – Enduro Bearings MR 17287 LLB ABEC 3

8,66 

17x28x7 mm used as a hub bearing and can be used as a pivot bearing

Bearing – Enduro Bearings MR 18307 LLB ABEC 3

7,58 

18x30x7 mm this bearing replaces bearings marked 6903 in front hubs from DT Swiss, Giant and Bontrager, though the ID of this bearing is 1mm larger than standard 6903.

Bearing – Enduro Bearings MR 2437 LLB ABEC 3

8,49 

24x37x7 mm The most common use for this bearing is as a direct replacement bearing for Shimano-type external cup BBs and cranksets with 24mm spindles.