Sealed Bearings

AKA: SS MR18307, SS MR30187, SS 61903

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): 17 x 30 x 10
Used on: Frames

Inner x Outer x Depth (mm): 20 x 42 x 12
Used On: Frames (Transition TR250 2011-2013 & TR450 2010-2013)

BULK TRADE, MIN ORDER QTY 10 - PLEASE ORDER IN DIVISIBLES of 10.

AN OPPORTUNITY FOR THOSE TRADERS THAT LIKE TO CARRY A DECENT AMOUNT OF THE MOST POPULAR WHEEL BEARING SIZES - 6902 AND 6903, AND GET A BULK DISCOUNT.

Inner x Outer x Depth (mm): 17 x 30 x 7mm
Used on: Wheels

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

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.