FB138X9.0X1.0
Technical specifications
Length: 433.5 mm x Width: 9.0 mm x Thickness: 1.0 mm Audio Flat Belt
Ø = Internal Diameter: 138 mm (milimeters)
TL = Length: 433.5 mm (milimeters)
W = Width: 9.0 mm (milimeters)
TK = Thickness: 1.0 mm (milimeters)
Caution ! Diameter is not the same as belt folded !
How to calculate the diameter of the belt,
Diameter is the Total length divide by Pi (3.1416)
Example,
TL = 100 mm
100 / 3.1416 = 31.83
Ø = 31.83 mm