Heavy-Duty 3 Groove Variable Pitch Pulley With Cast Iron Body And Finished Keyway, Designed For A B Belt Systems, Features 1 5/8 Inch Bore And 6.68 Inch O D, MVP Series Industrial Drive Component, Built To Handle The Grind Without Breaking A Sweat

Heavy Duty Variable Pitch Pulley For Industrial Belt Drives
✔️ 3 groove drive sheave with 1 5/8 bore, cast iron, A B belt system

This single unit variable pitch sheave adjusts belt tension fast on conveyors, motors, and farm equipment. The tough cast iron shell handles heavy vibration while the ready to mount profile keeps your drive chain moving steady.

✅ 1 5/8 inch diameter bore matches standard motor shafts
✅ 6.68 inch outside diameter provides solid grip for A or B belts
✅ MVP series design balances weight with serious torque capacity
✅ Pre cut finished keyway allows fast install without extra machining

💡 How does a variable pitch sheave improve mechanical drive efficiency?
Changing the groove spacing on the fly gives you precise control over belt travel and torque transfer.
- Lock the split flanges tighter to narrow the track for smoother RPM increases
- Pull the halves apart to widen the channel and boost low speed pulling power
- Keep the finished keyway secured so power moves straight from motor to driven gear
You get quick adjustments that keep your setup steady under heavy workloads.

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