NBK Japan MFBS-12 3mm to 3mm Bellows-type Flexible Coupling Stainless Steel, Zero-Backlash Bellows Flexible Shaft Coupling for Servo and Stepper Motors

Regular price $120.00 Sale price$250.00you save $130.00
SKU: MFBS-12-3mm-3mm
Coupling Bore 1 Diameter:3mm
Coupling Bore 2 Diameter:3mm
Coupling Length: 23.5
Coupling Outer Diameter:12
5-7 days shipping
NBK MFBS-12 3mm-to-3mm Bellows-Type Stainless Steel Flexible Coupling for Servo and Stepper Motors, Zero-Backlash Precision Shaft Coupling (Made in Japan)
✔️ 3mm x 3mm bore, length 23.5mm, outer diameter 12mm, stainless steel bellows, zero-backlash, high torsional rigidity, high torque, compact CV design, Pack size: 1, Made in Japan

The NBK MFBS-12 is a bellows-type flexible shaft coupling that transmits torque between motor shafts while accommodating angular misalignment, eccentricity, and end play. This stainless steel, zero-backlash unit is ideal for precision servo and stepper drives in CNC, automation, and robotics, delivering reliable, repeatable motion in tight spaces.

✅ Bore: 3mm to 3mm
✅ Length: 23.5mm
✅ Outer diameter: 12mm
✅ Material: Stainless steel
✅ Backlash: Zero
✅ Torsional rigidity: High
✅ Torque capacity: High
✅ Design: Simple, compact
✅ Manufacturer: Made in Japan
💡 What is a bellows-type flexible coupling used for in precision motion control? These units are built to keep motion smooth and accurate by absorbing misalignment without adding backlash. - Compensation for angular misalignment and end play - Zero-backlash torque transmission for repeatable positioning - High torsional rigidity for stable, precise motion - Handy for servo and stepper drives in CNC, robotics, and automation This handy bellows coupling delivers precise torque transmission with minimal backlash, ideal for high-precision motion control in robotics, CNC, and automation.
NBK Japan MFBS-12 3mm to 3mm
stainless steel Bellows-type Flexible Coupling

NBK Japan MFBS-12 3mm to 3mm Bellows-type Flexible Coupling stainless, this is a bellows type flexible coupling. The bellows allows eccentricity, angularmisalignment, and end-play.

  • Coupling Bore 1 Diameter: 3mm
  • Coupling Bore 2 Diameter: 3mm
  • Coupling Length: 23.5
  • Coupling Outer Diameter:12
  • Material: Stainless Steel
  • Zero Backlash
  • High torsional rigidity
  • High Torque
  • Constant Velocity
  • Simple Design
  • Made in Japan
  • Quantity: One


A L W E F M Wrench Torque(N-m)
12mm 7.5mm 23.5mm 7mm 2.5mm M2.5 0.5