3903 LLU - Double-Row, Angular-Contact Bearing - 17mm x 30mm x 10mm sale 71806 LLB - ABEC-5

71806 LLB - ABEC-5

This MAX-type

Static load - 890lbf / 3

The eleven-tooth upper and thirteen-tooth lower size and profile with 5mm bolt-holes are designed as an upgrade for most 11 and 12 speed Shimano GRX 2X rear derailleurs

Static load - 402lbf / 1

3903 LLU - Double-Row, Angular-Contact Bearing - 17mm x 30mm x 10mm sale 71806 LLB - ABEC-53903 LLU Double Row, Angular Contact Bearing 17mm x 30mm 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