BB S6805 LLB-bag - 25x37x7 mm, the most common use for this bearing is as a direct replacement bearing for Shimano external cup BBs when using the plastic Shimano bearing insert. If you wish to avoidsing the plastic insert MR 2437 is the correct bearing for the job

436172 - 25x37x7 mm, for hubs - Mavic, WTB, Easton, American Classic and other, for bottom bracket Race Face BB and other