18mm to 17mm Jaw Type Flexible Coupling D40-L66 - Aluminum Shaft Coupler for Motor and Drive Connections

This D40-L66 jaw-type flexible coupling connects a motor to a driven shaft. Made from aluminum, it provides a compact, lightweight link that handles minor misalignment and vibration in CNC, robotics, and automation applications.

✅ Bore sizes: 18 mm and 17 mm on the two sides
✅ Outer diameter: 40 mm; length: 66 mm
✅ Material: aluminum; lightweight with electrical insulation
✅ Backlash: near zero at low torque; easy fit for quick assembly

💡 What is a jaw-type flexible coupling used for in motor drive systems? Handy for connecting motors to shafts while absorbing minor misalignment.
- Tackles angular and parallel misalignment to protect bearings
- Keeps backlash low for precise control
- Lightweight aluminum construction for easy handling