ENDURO BEARINGS 3903 LLU

3903 LLU - Double-Row, ABEC-3, Radial Bearing - 17 x 30 x 10mm - Primary 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. Enduro