Belt with trapezoidal teeth
 
| Symmetrical double-sided teeth | Staggered double-sided teeth | 
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Pitch belt length can be determined as
L = z p b
Straight-sided Teeth Pulley
 
Outside pulley diameter can be determined as
 
| Unflanged pulley | Flanged pulley | Flange detail | 
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Flat pulley
 
Meaning of used variables:
| z | Number of teeth of given pulley/ Number of belt teeth [-] | 
| p b | Circular pitch [m] | 
| a | Pitch line offset [m] |