Inner x Outer x Depth (mm): 1 / 2" X 1 & 1 / 8" X  5 / 16" _{(12.7 x 28.5 x 8mm)}
Used on: Wheels
RRP £4.99

IMPERIAL SIZED BEARING

Inner x Outer x Depth (mm): 12.7 x 28.5 x 8
Used On: Wheels

Inner x Outer x Depth (inches): 3 / 4" x 1 - 5 / 8" x 7 / 16"
Used on: Bottom Brackets
RRP £5.99

Inner x Outer x Depth (mm): 30 x 41 / 42 x 7mm 
Used on: Bottom Brackets (Using a BB30 crank on a BB86/92 Frame). Has a Flange around outer edge of 1mm
RRP £26.99

Angular Contact version of MR2437

Angular contact internally to help spread load through a larger axis to enable a longer life span.

Inner x Outer x Depth (mm): 24 x 37 x 7mm
Used on: Bottom Brackets

RRP: £14.99

Inner x Outer x Depth (mm): 31 x 43 x 7
Used On: Bottom Brackets (SRAM)

Inner x Outer x Depth (mm): 31 x 43.5 x 7
Used On:  Bottom Brackets

Inner x Outer x Depth (mm): 24 x 37 x 8
Used On: Bottom Brackets (GXP BB (Note, some use 24377 and some use this one 24378 on non-drive side))

This is a version of BB90 used on Mega Exo, which has a groove on the inner race
Inner x Outer x Depth (mm): 24 x 37 x 7
Used On: Mega Exo Bottom Brackets (7100)