Sealed Bearings

THIS BEARING IS 1mm DIFFERENT FROM 6903-2RS AND USED IN MANY HUBS. THE ORIGINAL BEARING QUITE OFTEN HAS 61903 ON THE SEAL - CHECK YOUR INTERNAL DIA, THIS HAS 18MM (61903 CAN ALSO BE 17MM INTERNAL DIA WHICH IS 6903)

Current stock is LBLU seal (LB non contact, LU is contact, red contact LU seal facing outwards for increased bearing life).

Inner x Outer x Depth (mm): 18 x 30 x 7
Used On: Wheels (DT Swiss Hubs)

THIS BEARING IS 1mm DIFFERENT FROM 6903-2RS AND USED IN MANY HUBS. THE ORIGINAL BEARING QUITE OFTEN HAS 61903 ON THE SEAL - CHECK YOUR INTERNAL DIA, THIS HAS 18MM (61903 CAN ALSO BE 17MM INTERNAL DIA WHICH IS 6903)

Inner x Outer x Depth (mm): 18 x 30 x 7
Used On: Wheels

Inner x Outer x Depth (mm): 18 x 30 x 7mm
Used on: Wheels

Inner x Outer x Depth (mm): 18 x 33 x 8
Used On: eBike Motors

Inner x Outer x Depth (mm): 19 x 28 x 5
Used on: Fulcrum Freehub

Inner x Outer x Depth (mm): 19 x 28 x 5mm
Used on: Wheels

USED ON Truvativ Howitzer Bottom Bracket.
Inner x Outer x Depth (mm): 21.2 x 38.5 x 9.5
Note, the groove on the outside of the outer race does not contain a seal.  it is not supplied with this bearing, and thus you need to use existing seal, or source one from a seal specialist.

USED ON SRAM ROAM

Inner x Outer x Depth (mm): 23 x 32 x 7
Used on: Wheels (SRAM ROAM)

Inner x Outer x Depth (mm): 12 x 28 x 12
Used on: Frames

Inner x Outer x Depth (mm): 12 x 28 x 12mm
Used on: Frames (Rocky Mountain)