MR19285 LLB Enduro Ceramic Hybrid Bottom Bracket Bearing 19mm x 28mm x 5mm Tags B4: 10mm Width lock nut

B4: 10mm Width lock nut including lock washer

Bolt Used: M146

Cone part number: X33209

Dynamic: 123

Ca90 - Dynamic Thrust Rating (90 million revolutions)6: 28700 N / 6460 lbf

MR19285 LLB Enduro Ceramic Hybrid Bottom Bracket Bearing 19mm x 28mm x 5mm Tags B4: 10mm Width lock nutThis ABEC 5, Ceramic hybrid bearing features deep groove design 52100 High Carbon chromium alloy races, with Grade 5 Silicon Nitride Ceramic balls, dual lip labyrinth (LLB) seals to withstand the outside elements, and to contain the 90% fill Mobilux NGLI 2 high pressure water proof synthetic grease. Si3N4 Ceramic balls reduce bearing wear and increase bearing life by eliminating steel on steel contact within the bearing. A bit of an oddball size, this