Positive Drive Pd® H (1/2" Pitch) Timing Pulleys

H Series 1/2" Timing Pulleys:

• Sizes: 1", 1½", 2", 3"
• Fit: Delivered with a minimum plain bore (MPB); requires machining for shaft, set-screws, and keyway.
• Flange: One (typically the smaller) must be flanged to secure belt alignment.
• Material: Steel; QD bushing needed for inch/metric bores.