This is a sealed bearing with high quality races. -The bearings are for integrated headsets not BBs.
Keenso Headset Bearing, 44mm Aluminum Alloy Integrated Headset Bearings Flexible For 28.6MM Front Fork(Black) Riding
MeevrgR 44mm Integrated Headset Bearings, Aluminum Alloy CNC Machined for Mountain for Bike, Sealed Waterproof Design with Anodized Finish, Black Black
VP Components 1 1/8" Integrated Headset Bearings 41mm Cane Creek - VP-MHP03K
2 x Scooter Headset Bearings (Pair) Black Oxide Anti Rust RAD BEARINGS
BIKE & CYCLE HEADSET BEARINGS (PAIR) -1 1/8" inch Threaded Threadless Ahead Road
