Cast Iron Pulley Sheave With 1.9 Inch Outer Diameter And 7/8 Inch Bore For V Belt Drives, Single 1 Groove, Suitable For 3L 4L And A Style Belts, Includes Shaft Keyway, New Rugged Cast Iron Construction For High Load And Long Service Life

Single-pulley Cast Iron Pulley, 7/8 in Bore, 1.9 in OD
✔️ 7/8 in bore, 1.9 in OD, 1 groove, cast iron, 3/16 x 3/32 keyway

This compact, single-groove V-style pulley is designed for belt-drive setups where space is tight. It’s ideal for small machines, hobby projects, and light manufacturing lines that use 3L/4L belts. The bore accepts standard 7/8 in shafts, making it easy to drop into existing systems.

✅ Bore: 7/8 in (22.23 mm), with 3/16 x 3/32 in keyway
✅ Outer diameter: 1.9 in (48.26 mm) for stable belt tracking
✅ Belt compatibility: supports 3L, 4L, and A style belts
✅ Material: Cast iron for stiffness and wear resistance
✅ Shaft mounting: two hex set screws for secure retention
✅ Length through bore: 1.1563 in (29.38 mm)
✅ Packaging: 1 pulley per package

💡 What is a common use case for a single-groove cast iron pulley in belt drive systems? This handy pulley keeps belts aligned and transfers power in compact equipment.

- Common in small machines using 3L/4L belts for simple drive trains
- Durable cast iron construction withstands daily belt tension
- 7/8 in bore fits standard shafts and 1-groove configuration
- Includes 3/16 x 3/32 in keyway for secure mounting