NBK Japan MBB-40C 12mm to 3/4" inch Bellows-type Flexible Coupling, Zero-Backlash Bellows Flexible Shaft Coupling for Servo and Stepper Motors

NBK Japan MBB-40C Bellows-Type Flexible Coupling, 12 mm to 3/4 in bore, zero-backlash for servo and stepper motors
✔️ Specs: Bellows-type, zero-backlash, high torsional rigidity, 12 mm to 3/4 in bore, 51 mm length, 40 mm OD

NBK MBB-40C is a bellows-type flexible coupling that connects servo or stepper motors to driven shafts with precise torque transfer. It tolerates eccentricity, angular misalignment and end-play while maintaining stiffness and accuracy. Ideal for CNC machines, robotics, 3D printers, and automation systems where compact, high torque performance matters. Made in Japan, single unit ready for quick installation.

✅ Bore1: 12 mm (0.472 in) bore
✅ Bore2: 3/4 in (19.05 mm) bore
✅ Length: 51 mm (2.01 in)
✅ Outer diameter: 40 mm (1.57 in)
✅ Zero-backlash design for high torque transmission
✅ Bellows-type flexibility handles misalignment
✅ Pack: 1 piece, Made in Japan
💡 What is a bellows-type flexible coupling and why is it handy for servo motors? - Absorbs angular and end-play misalignment to keep motion smooth - Keeps backlash low for accurate positioning in CNC and automation - Handy in tight spaces where a compact, high torque link is needed - Simple installation and dependable performance in demanding runs This handy, high-torque bellows coupling improves accuracy and reliability in servo and stepper applications.