200 series intermediate duty ball bearing units provide a versatility of application arrangements for carrying shafts with radial or combination radial and thrust loads. They are designed for general purpose industrial machinery, conveyors, chain and belt drives, fans and blowers, power transmission and many other applications. Link-Belt® Ball Bearing Unit, Intermediate Duty Unmounted, Series: 200, 1 in Bore Dia, -40 to 275 ˚F