Seal: Double-sealed 2RS. Bearing Thickness : 6mm (6805 is normally 7mm deep, but this 6mm deep narrower version hence the "N" Suffix is what's used within Shimano HollowTech BB's if you have the correct tool to remove the bearings).
MR2437H8 2RS (24378-2RS) Bottom Bracket Bearing
BB30 Bearings 6806 -2RS Bottom Bracket -Chrome/ Stainless/ Ceramic FREE POST
163110-2RS Bottom Bracket Bearing
173110 2RS Bottom Bracket Bearing
BB90 (2x MR2437-2RS) Bottom Bracket Bearing Kit
MR2940H6.8 2RS Bottom Bracket Bearing (Nukeproof)