12mm to 19mm Jaw Type Flexible Coupling D40-L66 - Aluminum Shaft Coupler for Motor and Drive Connections

Jaw Type Aluminum 12-19mm Shaft Coupler D40-L66
✔️ 12mm and 19mm bore, 66mm length, 40mm aluminum body, single unit

Single unit aluminum jaw type flexible coupling designed to connect motor shafts to drive systems. This compact coupling is ideal for CNC machines, robotics, and automation setups where precise alignment and smooth motion matter. It provides a tight fit with minimal backlash at low torque and easy hub and sleeve assembly. It also delivers electrical insulation and vibration damping through the spider insert.

✅ Bore sizes: 12 mm and 19 mm, length 66 mm, outer diameter 40 mm
✅ Aluminum jaw type design delivers tight fit and low backlash at light torque
✅ Excellent flexibility to handle eccentricity, angular misalignment, and twist
✅ Electrical insulation and stock variations in spider color
✅ Quantity: one piece, ready for quick installation

💡 What is a jaw type flexible coupling used for in motor and drive systems?
A handy component that keeps shafts aligned while absorbing minor misalignment and vibration.
- absorbs minor angular misalignment
- reduces backlash in light torque drives
- easy to install on common bore sizes like 12 and 19 mm