AXIS 1620-ZZ Bearing | ABEC 3 Shielded 1620-ZZ Ball Bearing 38-Tooth Sprocket This 100BS21 sprocket features a

This 100BS21 sprocket features a 2-15/16" finished bore with a key-way and two set screws

This 40BS30 sprocket featured a 1" finished bore with a key-way and two set screws

UEFT205 Bearing Dimensions

This BK110H Pulley uses an H-Series Bushing

AXIS 1620-ZZ Bearing | ABEC 3 Shielded 1620-ZZ Ball Bearing 38-Tooth Sprocket This 100BS21 sprocket features aAXIS Brand 1620 ZZ ball bearing is manufactured with precision, performance, and longevity in mind. specifically, size 1620 ZZ bearing utilizes the shielded design for keeping the premium Mobil Polyrex EM grease in, while keeping contents out, the benefit of this is longer performance and bearing protection. What sets AXIS brand deep groove 1620 ZZ bearings apart from others is the utilization of grade 10 balls, a high strength steel retainer, being