"71806-LLB ABEC5 Enduro Angular Contact Bike Bearing 30x42x7. Angular Contact (A/C) cartridge bearings are specifically designed for hubs. In standard radial bearings, only 3 or 4 balls make contact during the load, at any given time. In Angular Contact (A/C) bearings, ALL balls are engaged"
Could be or could be the "AC-ness"?
"71806-LLB ABEC5 Enduro Angular Contact Bike Bearing 30x42x7. Angular Contact (A/C) cartridge bearings are specifically designed for hubs. In standard radial bearings, only 3 or 4 balls make contact during the load, at any given time. In Angular Contact (A/C) bearings, ALL balls are engaged"