3903 LLU Enduro Double Row Sealed Radial Bike Bearing Abec 3 - 17x30x10mm Open Inside d: 30

Inside d: 30

Reference Speed: 20 000 r/min

Number of teeth: 32

Outside: 24mm

db - Cone Backface Backing Diameter 2

3903 LLU Enduro Double Row Sealed Radial Bike Bearing Abec 3 - 17x30x10mm Open Inside d: 30Primary application for this bearing is for older square taper BBs. The double row design greatly reduces flex in BB spindles and doubles the bearing contact area, while requiring roughly 25% less width than two single row bearings. This ABEC 3 bearing features deep groove design races, with Grade 10 balls, LLU seals and 90% fill with high pressure water proof grease to withstand daily abuse of use and the elements. The Enduro line of bearings are