Angular contact bearings are better at dealing with axial loads than a normal deep groove ball bearing so should have better longevity.
They however generally have more friction and can be noisier.
Great info, thanks.
@shawnb started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Angular contact bearings are better at dealing with axial loads than a normal deep groove ball bearing so should have better longevity.
They however generally have more friction and can be noisier.