NBK Japan MBB-40C 3/8" to 15mm Bellows-type Flexible Coupling, Zero-Backlash Bellows Flexible Shaft Coupling for Servo and Stepper Motors

NBK Japan MBB-40C Bellows-Type Flexible Coupling, 3/8 in to 15 mm, Zero-Backlash, High-Torque Servo/Stepper Motor Coupler
✔️ Bellows-type flexible shaft coupling with zero backlash, 3/8 in to 15 mm bores, 51 mm length, 40 mm outer diameter, high torsional rigidity for precise motor drive

The NBK Japan MBB-40C is a bellows-type flexible coupling designed for servo and stepper motors. It accepts angular misalignment, eccentricity, and end-play while delivering zero-backlash torque transfer and high rigidity for repeatable motion. This single-pack unit fits standard 3/8" and 15 mm shafts for compact, reliable drives.

✅ Bore 1: 3/8" (9.53 mm) and Bore 2: 15 mm (0.59")
✅ Length: 51 mm (2.01")
✅ Outer diameter: 40 mm (1.57")
✅ Zero-backlash, high torsional rigidity for precise torque transfer
✅ Compatible with servo and stepper motors, constant velocity performance
✅ Wrench size: M4, torque rating 3.5 N·m
✅ Made in Japan
✅ Pack size: 1 piece
💡 What is a bellows-type flexible coupling and why is zero-backlash important in motor drives? Zero-backlash design preserves precision in motion transfer, reduces wear, and improves repeatability. - Bellows design tolerates angular misalignment and end-play - Maintains accurate, smooth torque transmission for CNC, robotics, and automation - Ideal for compact servo and stepper motor systems - Enhances long-term drive stability and performance This setup is handy for precision automation, robotics, and high-torque motor drives.