Sharp roller ring part number frolpa070wrk3 this original roller ring fits many sharp models over time the plastic can degrade and the wheels may fall off this will prevent the glass turntable from rotating refer to the model compatability list below to decide if this is the correct part for your oven also refer to the detailed pictures and check the dimensions of your old roller ring before ordering the items radius is 114mm measure from the the end of the wheel to the centre point mo