Masterdrive TB Bushing, 70 mm Bore, 20 mm x 4.9 mm Keyway, Cast Iron Material - 3535-70MM

TB Taped Lock Style Bushings are used on sheaves, sprockets and pulleys to provide increased clamping force over standard bore-to-size components. They are tapered in design without flanges and utilize screws to tighten on the shaft. Their compact design makes them convienent in many applications that are space-constrained. Each TB Bushing size is produced in a number of different finished bore options that include a keyway, as well as a minimum plain bore option. This allows users flexibility when using TB style sheaves, sprockets or pulleys in applications that may utilize various shaft sizes.