sewing timing belt Singer #37977

Singer timing belt sewing machine use with electric sewing machine.
The outside is smooth, the inside is wavy.

Inner diameter about 14.5 cm (5.7 inches)
The circumference is about 46 cm (18.2 in).

Before ordering, please measure the length of the belt or the diameter of your original belt. Does the size match this type of belt?
Because the product is not changed or restored.

The Singer belt is below the following models.

240, 241, 242, 247, 247AP, 248, 249, 250, 251, 252, 257, 258, 259, 263, 288,
350, 353, 354, 360, 362, 366, 367, 368,
547, 563, 588,
961, 964, 966, 967, 968, 972, 974,
1247, 1263, 1280, 1288,
2302, 2303, 2304, 2315, 2330, 2404, 2440,
3101, 3102, 3103, 3105,
4325, 6174, 6305, 6310, 6314, 6318,
7101, 9502 & 9505

Or other brands of electric motors with the same perimeter belt.