NOTICE: Seal is Yellow
The Halo series of bearings are a high quality steel/chrome bearing with rubber seals. These bearings have been tested and proven by many racers.
3/16 x 1/2 x 49/250 Rubber Halo bearing by Avid Racing Concepts is a popular bearing for Associated B4.1, B44.1, T4.1, and GT2 rear hubs and also used in common router applications.