Sealed Bearings

Inner x Outer x Depth (mm): 17 x 35 x 8
Used on: Frames

Inner x Outer x Depth (mm):  16 x 25 x 7
Used on: Frame Pivots

Inner x Outer x Depth (mm): 16 x 26 x 7
Used On: Wheels 

Inner x Outer x Depth (mm): 17 x 28 x 6
Used on: Trek Frames, Ref: W305083

Inner x Outer x Depth (mm): 17 x 28 x 6mm
Used on: MTB Frame Suspension Pivots (Trek)

Note: Our current stock although is 2RS (2 Rubber seals) they state LB on one side and LU on other side.
LB is non-contact seal, and LU is contact, so the red LU seal is mounted outwards to face the elements, to help keep out the dirt/moisture for longer.

Inner x Outer x Depth (mm): 17 x 28 x 7
Used On: Wheels (Hope ProII Evo Freehub & Pro III Front Hub)

Inner x Outer x Depth (mm): 17 x 28 x 7
Used on: Frames (Salsa Bikes)

Stock is sometimes 2RS or LLB seal - they both light contact!
Inner x Outer x Depth (mm): 17 x 28 x 7
Used On: Wheels (Hope)

Inner x Outer x Depth (mm): 17 x 28 x 7mm
Used on: Wheels

Inner x Outer x Depth (mm): 18 x 28 x 7
Used On: Wheels (Vision Wheels)
2RS or LLB seals suplied.