New replacement friction motor pulley.

Outside diameter is about 33 mm and diameter of the hole is about 3.8 mm

Part # 440152-20

Fit Elna sewing machine models: 11, 13, 21, 23, 31, 33, 38, 39, 41, 43, 58, 59, 62, 64, 68, 69, 72, 74