NBK Japan MJC-14-BL 1/8" inch to 4mm Jaw-type Flexible Coupling

Regular price $120.00 Sale price$250.00you save $130.00
SKU: MJC-14-BL-1-8inch-4mm
Coupling Bore 1 Diameter:1/8 inch
Coupling Bore 2 Diameter:4mm
Coupling Length: 22
Coupling Outer Diameter:14
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NBK Japan MJC-14-BL 1/8 in to 4 mm Jaw-Type Flexible Coupling - Stainless Steel, Made in Japan, 1-Pack
✔️ Jaw-type flexible coupling with 1/8 in to 4 mm bores, 14 mm OD, 22 mm length; stainless steel, zero-backlash, easy-fit, insulated, Made in Japan.

NBK Japan MJC-14-BL is a jaw-type flexible coupling that connects motors to shafts in precision motion systems such as automation, robotics, and CNC machinery. Its bellows-style spider accommodates eccentricity, angular misalignment, and end-play while delivering smooth torque transfer. Made from stainless steel for corrosion resistance and electrical insulation, this compact unit is designed for low-torque, high-precision operation with zero backlash when properly torqued. Spider color varies with stock; Made in Japan.


✅ Bore 1: 1/8 in (3.175 mm); Bore 2: 4 mm (0.157 in); Length: 22 mm (0.866 in); Outer diameter: 14 mm (0.551 in); Material: Stainless steel; Spider color: varies; Wrench torque: 0.7 N m; Quantity: 1
💡 What is a jaw-type flexible coupling used for in precision motion control and how does it handle misalignment? - zero backlash at low torque for accurate positioning - absorbs eccentricity and angular misalignment - stainless steel body provides corrosion resistance and electrical insulation - easy fit and maintenance for quick setup This setup delivers reliable, smooth torque transfer in automation, robotics, and CNC applications.
NBK Japan MJC-14-BL 1/8 inch to 4mm
Jaw-type Flexible Coupling

NBK Japan MJC-14-BL 1/8 inch 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: 1/8 inch
  • 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