Half Inch Bore Solid V Belt Pulley Two And A Half Inch Outer Diameter Cast Iron One Groove Pulley For 4L And 5L Belts Fits Half Inch Shafts With Hex Set Screws BK25 Series Ideal For Industrial Drives And Conveyors

Single 1/2 in bore solid pulley for 2.5 in belts cast iron
✔️ 1 groove, 2.5 in OD, 1/2 in bore; 4L/5L belt fit; single pulley

This solid pulley is designed for belt drives in small to medium machines. It features a 1-groove configuration to fit 4L and 5L V-belts and uses a 1/2 inch bore for compact shafts. Cast iron construction delivers rigidity and long service life in hobbyist and industrial setups.

✅ Outer diameter: 2.5 in (63.5 mm)
✅ Bore: 1/2 in (12.7 mm)
✅ Belt compatibility: 4L and 5L
✅ Material: cast iron, solid pulley with hex set screws
✅ Configuration: 1 groove, single pulley

💡 What is a belt pulley used for in small drive systems? A simple guide to its role in moving parts. - Transfers rotational motion between shafts using a belt - Sets speed ratios by pulley size and belt choice - Ideal for compact machines with V-belts