Heavy Duty Cast Iron Solid Sheave Pulley With Dual Grooves For Smooth V Belt Drives Featuring A Seven Eighth Inch Bore And Two Point Two Five Inch Outside Diameter Plus Hex Set Screws For Bulletproof Operation

2Groove Solid Sheave Pulley For 4L 5L VBelts Cast Iron Hex Screw
✔️ 7/8 bore, 2.25 OD, 2G, Cast Iron, Keyway, Hex Set Screws.

This 2BK23 solid sheave pulley handles torque transfer for fans, pumps, and compressors in shops and plants. With two grooves and solid cast iron construction, it meshes well with 4L and 5L V-belts for steady operation. Hex set screws lock the keyway onto a 7/8 inch shaft fast, so you can swap out damaged parts quickly. Packing one pulley per order makes replacement simple and cost effective for ongoing maintenance tasks.

✅ 2Groove design supports 4L and 5L V-belts for broad compatibility
✅ 7/8 inch bore diameter accommodates standard shaft sizes
✅ 2-1/4 inch outside diameter delivers precise speed ratios
✅ Solid cast iron body resists wear and absorbs vibration noise
✅ Hex set screws and keyway provide secure shaft mounting
✅ Pack includes one single pulley for targeted repairs

💡 Why does cast iron make a smarter choice for heavy duty belt drive upgrades?
- Cast iron dampens vibration better, keeping operations smooth and handy for precision equipment that hates shaking
- Thick metal walls soak up friction heat way faster than thin alloys, protecting the sheave from warping when you push hard on the RPMs
- Precision iron casting guarantees consistent groove angles, locking 4L and 5L belts into place so they won't skip during tough acceleration loads

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2BK23 7/8" Bore Solid Sheave Pulley with 2-1/4" OD, Hex set screws for V-belts size 4L, 5L 2BK23-7/8" (2.25" X 7/8") 2 Grooves for A,B belts

Outside diameter: 2-1/4" inch (2.25") Bore: 7/8" inch Belt section size:4L, 5L 2 Grooves One pulley Hex set screws Cast Iron keyway