... 1.Shaft diameter 8mm 2.Housing diameter 52mm 3.clamping flange It also can add wheels Rotary Encoder, ... Encoder,digital encoder from CNRUIHUA Certificate:CEShaft diameter Φ8mm ,clamping flange,Housing diameter Φ52mm. Low price at high performance ... length or speed of ,target by wheel type.The circumference of. Wheel has three types(S;types(S1=200mm ... 5208 outside 52mm shaft 8mm optical encoder wheel