-40%
Flat belt leather machine drive belt Heavy duty 2.6875 in x approx 20 ft Unused
$ 198
- Description
- Size Guide
Description
Old leather machine belt. The length is estimated using.Length = π/4 * ( OD-squared – ID-squared ) / T
pi/4*(10.5625*10.5625 - 5.25*5.25)/.25
pi/4*111.5664-27.5625/.25
pi/4*84.0039/.25 = 263.9060 inches or 21.9166