NBK Japan MJC-14-BL 3mm to 4mm Jaw-type Flexible Coupling

Regular price $120.00 Sale price$250.00you save $130.00
SKU: MJC-14-BL-3mm-4mm
Coupling Bore 1 Diameter:3mm
Coupling Bore 2 Diameter:4mm
Coupling Length: 22
Coupling Outer Diameter:14
5-7 days shipping
NBK Japan MJC-14-BL Jaw-Type Flexible Coupling for 3-4 mm Bores, Stainless Steel, 14 mm OD, 22 mm Length, Made in Japan
✔️ 3 mm to 4 mm bore range, 14 mm outer diameter, 22 mm length, stainless steel jaw-type flex coupling with zero backlash at low torque; ideal for precise servo and stepper drives, made in Japan, pack of 1

NBK Japan MJC-14-BL is a jaw-type flexible coupling designed for precise torque transmission in small drives. It’s commonly used in robotics, automation, and CNC projects where alignment tolerance matters.

✅ Coupling Bore 1: 3 mm
✅ Coupling Bore 2: 4 mm
✅ Outer diameter: 14 mm
✅ Length: 22 mm
✅ Material: Stainless steel, electrical insulation
✅ Tight fit with zero backlash at low torque
✅ Made in Japan; pack size: 1
💡 What is a jaw type flexible coupling used for in precision motion systems? These couplings transfer torque between shafts while absorbing minor misalignment. - Transmit torque while accommodating angular and parallel misalignment - Reduce vibration and wear in small drive systems - Provide electrical insulation for sensitive electronics - Handy for precise motion in robotics and automation setups
NBK Japan MJC-14-BL 3mm to 4mm
Jaw-type Flexible Coupling

NBK Japan MJC-14-BL 3mm to 4mm Jaw-type Flexible Coupling, this is a Jaw type flexible coupling. The bellows allows eccentricity, angularmisalignment, and end-play.

  • Coupling Bore 1 Diameter: 3mm
  • Coupling Bore 2 Diameter: 4mm
  • Coupling Length: 22
  • Coupling Outer Diameter:14
  • Material: Stainless
  • This is a jaw type flexible coupling.
  • Tight Fit enables transmission with zero backlash at low torque.
  • Easy fit allows you to assemble and partition the hub and sleeve smoothly.
  • Excellent flexibility allows eccentricityangular misalignment and twisting vibration to be accepted.
  • It has electrical insulation
  • Made in Japan
  • Coupling Insert Spider Color: Varies according to ex-stock
  • Quantity: One


A L W B C F M Wrench Torque(N-m)
14 7 22 6 1 3.5 M3 0.7