1 Groove Cast Iron Pulley With 3/4 Inch ID Bore And 4.45 Inch Outer Diameter For V Belts 4L And 5L Premium Finished Bore Sheave With Keyseat And Static Balancing For Durable Smooth Power Transmission In Industrial Drives

Cast Iron 3/4 in Bore Pulley, 4.45 in OD, single
✔️ 1 groove, 4L/5L belt compatible, 4.45 in OD, 3/4 in bore

This solid cast iron pulley features a 3/4 in bore and a 4.45 in outer diameter. It’s designed for V-belt drive systems using 4L and 5L belts and is a solid choice for small machines, DIY projects, and workshop setups where reliable belt routing matters.

✅ Outside diameter 4.45 in (113 mm)
✅ Bore 0.75 in (19.05 mm)
✅ Groove: 1, for V-belt sizes 4L, A, 5L, B
✅ Material: cast iron, statically balanced
✅ Key features: standard keyseat and hollow head setscrews
✅ Keyway: not included; accepts 3/16 x 3/32 in set screws

💡 What is a popular use case for a cast iron pulley with a 3/4 in bore in V-belt drives? Handy for compact drives and DIY projects.

- Handy for compact drives in small machines or hobby projects
- Durable cast iron construction provides long life under load
- Works with 4L, A, 5L, B belt sizes for easy upgrades
- Mounting is straightforward with standard keyseat and hollow head screws