Sealed Bearings

Inner x Outer x Depth (mm): 12.7 x 24 x 7/8.5 (1.5mm inner race extension)
Used on: MTB Frame Suspension Pivots (Yeti, YT and Zerode)
Note: This is a bearing with an inner extended race of 1.5mm

Note: Dual Row Bearing with an extended inner race of 3mm

Inner x Outer x Depth (mm):17 x 30 x 10/13mm (inner race extends 3mm)
Used on: MTB Frame Suspension Pivots (Pivot Pheonix DH Frame)

Inner x Outer x Depth (mm): 17 x 30 x 10
Used on: Frames

Note: This is an extended bearing (E). The extension of the inner race extends from 5 to 6.5mm.

Inner x Outer x Depth (mm): 12 x 21 x 5/6.5
Used on: Canyon Frames (Neuron)

Inner x Outer x Depth (inches): 0.28" x 0.75" x 1.18"
Inner x Outer x Depth (mm): 19.05 x 30.16 x 7.14
Used on: MTB Frame Suspension Pivots
Note: The inner races have a very slight extension both sides

Note: "DR" is for "Dual Row" Bearing.

Inner x Outer x Depth (mm): 11 x 19 x 7
Used on: MTB Frame Suspension Pivots (Evil Bikes)

Inner x Outer x Depth (mm): 17 x 28  x 9
Used on: Evil Insurgent, Calling, Following and Commencal DH4.4 Frames.
Note: 'DR' is Dual Row and 'BO' is Black Oxide, which is a coating on races to aid corrosion resistance. 

AKA: F6801-2RS-MAX-E

Note: This is a Flanged Bearing (F) with an Extension (E), the flange is 2mm extending from 21 to 23mm, the extension of the inner race extends from 5 to 6mm.

Inner x Outer x Depth (mm): 12 x 21 / 23 x 5 / 6
Used on: Canyon Frames