NBK Japan MBB-27C 4mm to 1/2" Bellows-type Flexible Coupling, High-Precision Bellows Flexible Coupling for Servo Motors and CNC Applications

Regular price $145.99 Sale price$223.00you save $77.01
SKU: MBB-27C-4mm-1-2inch
Coupling Bore 1 Diameter:4mm
Coupling Bore 2 Diameter:1/2 inch
Coupling Length: 35
Coupling Outer Diameter:27
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High-performance NBK MBB-27C bellows flexible coupling for precise 4mm to 1/2-inch shaft connections
✔️ This NBK Japan coupling connects 4mm (0.16 inches) and 1/2 inch (12.7mm) bores, measures 35mm (1.38 inches) long with a 27mm (1.06 inches) outer diameter, offers zero backlash, high torsional rigidity, and is made in Japan for one unit.

✅ Bore 1: 4mm (0.16 inches) for accurate shaft fitting
✅ Bore 2: 1/2 inch (12.7mm) to handle various shaft sizes
✅ Outer diameter: 27mm (1.06 inches) for compact installation
✅ Length: 35mm (1.38 inches) with features like high torque and constant velocity
✅ Additional specs: A at 27mm (1.06 inches), L at 12.5mm (0.49 inches), W at 35mm (1.38 inches), E at 17mm (0.67 inches), F at 3.5mm (0.14 inches), G at 10.25mm (0.40 inches), M2.5 thread, and 0.9 N-m wrench torque for easy setup
💡 How do bellows-type flexible couplings manage misalignment in mechanical systems? This type of coupling is ideal for reducing wear in machinery by accommodating offsets. - It allows for eccentricity and angular shifts without losing precision - Ensures constant velocity and high torsional rigidity for smooth operation - Helps maintain system efficiency in applications like robotics or automation For setups needing reliable torque transfer and minimal play, this coupling boosts performance in everyday industrial tasks.
NBK Japan MBB-27C 4mm to 1/2 inch
Bellows-type Flexible Coupling

NBK Japan MBB-27C 4mm to 1/2 inch Bellows-type Flexible Coupling, this is a bellows type flexible coupling. The bellows allows eccentricity, angularmisalignment, and end-play.

  • Coupling Bore 1 Diameter: 4mm
  • Coupling Bore 2 Diameter: 1/2 inch
  • Coupling Length: 35
  • Coupling Outer Diameter:27
  • Zero Backlash
  • High torsional rigidity
  • High Torque
  • Constant Velocity
  • Simple Design
  • Made in Japan
  • Quantity: One


A L W E F G M Wrench Torque(N-m)
27mm 12.5mm 35mm 17mm 3.5mm 10.25mm M2.5 0.9