18mm to 0.5 Inch Jaw Type Flexible Coupling D40-L66 - Aluminum Shaft Coupler for Motor and Drive Connections

This D40-L66 jaw-type flexible coupling is a compact shaft connector designed to join motors to drives, absorbing small misalignment and dampening vibration in tight spaces. It’s a common choice for servo and stepper motor setups in CNC, robotics, and automation projects where smooth torque transfer and easy assembly matter.

✅ Bore 1: 18 mm (0.71 in)
✅ Bore 2: 0.5 in (12.7 mm)
✅ Length: 66 mm (2.60 in)
✅ Outer diameter: 40 mm (1.57 in)
✅ Material: Aluminum
✅ Type: Jaw-type flexible coupling with zero backlash at low torque
✅ Electrical insulation

💡 What is a jaw type flexible coupling used for in motor and drive systems? It’s a handy shaft-link that handles small misalignment and dampens vibration in compact machines. - Which setups benefit most from this coupling in DIY and professional automation? - How does aluminum help with installation and maintenance in light-duty drives? - When should you consider a different coupling if torque needs rise?