Bearing – Enduro Bearings 6903 LLB ABEC 3

12,08 
17x30x7 mm used as a hub bearing, as bottom bracket bearing for some older square taper BBs

Bearing – Enduro Bearings MR 105 2RS ABEC3

11,28 
5x10x4 mm used as a pedal bearing (Look Keo and Point 1)

Bearing – Enduro Bearings ACB 6808 CC

19,85 
Headset bearing, 40 x 52 x 6.5 mm, (36x45o) This size bearing is also known in the bike Industry by these part numbers: HD 1404K, BAA0006K, MR-127, MR-196, MH-P25K, BAA1132, TH MR019

Bearing – Enduro Bearings MR190537 LLB ABEC 3

9,45 
19.05x37x9 mm The most common use for this bearing is as a replacement bearing for certain BMX BBs including some models from Profile Racing.