Tange 4T5 Sealed Bearing.
Headset Bearing for Tange 1" or 1-1/8" and similar headsets
Tange 4T5-3 SUJ-2 sealed bearing, suitable for 1" headsets
45°/45°
Measures: 38.1/27.2/6.3
Will fit Tange Falcon and similar 1" headsets
price is for one bearing
Tange 4T5-5 SUJ-2 sealed bearing, suitable for 1-1/8" headsets
45°/45°
Measures: 41/30.2/6.3
Will fit Tange Technoglide J-27 1-1/8" and similar headsets
price is for one bearing