Poggi System-P Taper Bushing R4830Designation Torque Dimensions Weight Screw Torque d D S U V W mm Nm mm mm mm mm mm mm kg R 4830 M8 x 35 35 64 88 45 11 15 30 1. 15 Poggi System P Taper Bushings are a radial wedge, offering a mechanical advantage to easily create a secure shaft to bore interference fit, yet allow ease of removal and repositioning if desired with no shaft or bushing damage. Poggi System P allows a wide range of standard transmission components (Pulleys, Sprockets,