Below is a list showing bottom bracket drawing specifications. Please note that these specifications are often changed by manufacturers or not adhered to. Cavity dimensions are often ignored.
| Type | Size (Diameter x Width) | Comment | Bike Manufacturers Using this Standard (not exhaustive) |
|---|---|---|---|
| BB86 | 41 x 86.5 | Shimano Standard, UNSUITABLE FOR 30mm and DUB Axles | Canyon, BMC, Tifosi, Argon 18, Look |
| BB386 | 46 x 86.5 | Look, Orbea, Open Frame | |
| OSBB | Multiple variants | Specialized refer to 3 different sizes as OSBB, | Specialized |
| BB30 | 42 x 68 | BB30 is called OSBB on some specialized frames | Cannondale, BMC, Time |
| BB30A | 42 x 73 | Cannondale | |
| PF30 | 46 x 68 | Cannondale | |
| PF30A | 46 x 73 | Cannondale | |
| BBright | 46 x 79 | Cervelo, Factor | |
| BB90 | 37 x 90 | Bearings fit into the Bottom Bracket Shell, notoriously Unreliable | Trek |