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Machined / Molded Pulleys

Engineering - Design Tools


Pitch Line Differential Chart

Belt Type Pitch Line Differential (PLD) ins (mm)
FHT-1 .007 (.178)
FHT-2 .007 (.178) for pulleys 23 grooves and less
.010 (.254) for pulleys greater than 23 grooves
FHT-2.032 .007 (.178) for pulleys 23 grooves and less
.010 (.254) for pulleys greater than 23
FHT-3 .009 (.229) for pulleys 17 grooves and less
.015 (.381) for pulleys greater than 17 grooves
FHT-5 .015 (.381)
MXL40 .020 (.508)
MXL60 .020 (.508)
XL .020 (.508)
HTD-3 .030 (.762)
HTD-5 .045 (1.143)
T-2.5 .024 (0.60)
T-5 .039 (1.0)