3900 LLU MAX - MAX-Design, Double-Row, Angular-Contact, Suspension Bearing -10mm x 22mm x 10mm 428420 there is simply no comparison

there is simply no comparison for corrosion resistance or magnetic problems with Enduro Si3N4 balls

MR 18307 LLU/LLB A5 C3 - ABEC-5

providing precise 90-degree force for perfect bearing seating and installation alignment

double-lip

3900 LLU MAX - MAX-Design, Double-Row, Angular-Contact, Suspension Bearing -10mm x 22mm x 10mm 428420 there is simply no comparison3900 LLU MAX MAX Design, Double Row, Angular Contact Suspension Bearing 10mm x 22mm x 10mm Enduro Bearings pioneered MAX type bearings over 20 years ago for bicycles to address the challenges associated with mountain bike pivots. MAX bearings provide 35 40% more load capacity than standard Angular Contact bearings by employing with a special design where the maximum number of balls (full complement) are inserted into the bearing, via a custom ground