NBK Japan MJC-14-BL 3mm to 7mm Jaw-type Flexible Coupling

Regular price $120.00 Sale price$250.00you save $130.00
SKU: MJC-14-BL-3mm-7mm
Coupling Bore 1 Diameter:3mm
Coupling Bore 2 Diameter:7mm
Coupling Length: 22
Coupling Outer Diameter:14
5-7 days shipping
NBK Japan MJC-14-BL Jaw-Type Flexible Coupling 3-7 mm Bore, Stainless Steel, 1x Unit (Made in Japan)
✔️ 3mm to 7mm bore, 14mm OD, 22mm length; stainless steel jaw-type flexible coupling with zero-backlash at low torque, absorbs misalignment and end-play, Made in Japan.

NBK Japan MJC-14-BL is a jaw-type flexible coupling designed to connect shafts with bores from 3 to 7 mm. It’s commonly used in precision drives such as robotics, micro CNC machines, and automation equipment where compact size and reliable torque transfer matter. The stainless steel body provides strength and electrical insulation for safety and performance. This is a single unit ready for installation with standard fasteners and stock spider colors that vary by ex-stock.

✅ Bore: 3-7 mm; OD: 14 mm; Length: 22 mm; Material: Stainless steel; Zero-backlash at low torque
✅ Allows eccentricity and angular misalignment; end-play tolerance for smooth transmission
✅ Electrical insulation; Made in Japan; Spider color varies with stock
✅ Pack: 1 unit; easy hub and sleeve assembly; wrench torque 0.7 N-m
💡 What is a jaw-type flexible coupling used for in small drive systems? This coupling is used to connect shafts with slight misalignment while transmitting torque and damping vibration. - Misalignment tolerance and end-play absorption for precise motion in robotics and micro CNC - Low backlash torque transmission with electrical insulation for small drives - Handy for compact automation, servo, and stepper systems requiring a snug fit - Easy installation with standard fasteners and available spider variations This handy, compact coupling delivers reliable, low-backlash performance in small automation and robotics projects.
NBK Japan MJC-14-BL 3mm to 7mm
Jaw-type Flexible Coupling

NBK Japan MJC-14-BL 3mm to 7mm 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: 7mm
  • 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