17mm to 19mm Jaw Type Flexible Coupling D40-L66 - Aluminum Shaft Coupler for Motor and Drive Connections

D40-L66 Aluminum Jaw-Type Flex Coupling for 17-19mm bore
✔️ 17-19mm bore, 66mm length, 40mm aluminum jaw-type, single

The D40-L66 is a jaw-type flexible coupling that links 17-19mm shafts. It’s a compact, high-performance shaft connector used in motor-to-drive setups for small automation, robotics, and CNC systems, delivering smooth torque transfer with minimal backlash while tolerating slight misalignment.

✅ Bore options: 17mm and 19mm
✅ Length: 66mm
✅ Outer diameter: 40mm
✅ Material: Aluminum
✅ Jaw-type with tight fit and low-backlash at low torque
✅ Electrical insulation between hub and sleeve

💡 What is a jaw-type flexible coupling used for in small machinery?

- handy for connecting motors to gearboxes and drive shafts in compact machines - reduces vibration and backlash in CNC, robotics, and automation projects - tolerates angular and parallel misalignment to extend bearing life - provides a reliable, lightweight aluminum solution for small conveyors and equipment