SKU: 6739838099

NBK Japan MJC-14-EWH 1/4" to 7mm Jaw-type Flexible Coupling

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Description

NBK Japan MJC-14-EWH 1/4" to 7mm Jaw-type Flexible CouplingNBK Japan MJC 14 EWH 1 4" to 7mm Jaw Type Flexible Coupling Stainless Steel, Low Backlash, Made in Japan Jaw type flexible coupling with 1 4" to 7mm bores, 22 mm length, 14 mm OD, stainless steel, insulated, zero backlash at low torque, Made in Japan NBK Japan MJC 14 EWH is a jaw type flexible coupling designed to join shafts while accommodating eccentricity, angular misalignment, and end play. This makes it ideal for precision drive systems,

NBK Japan MJC-14-EWH 1/4" to 7mm Jaw-Type Flexible Coupling - Stainless Steel, Low Backlash, Made in Japan
✔️ Jaw-type flexible coupling with 1/4" to 7mm bores, 22 mm length, 14 mm OD, stainless steel, insulated, zero-backlash at low torque, Made in Japan

NBK Japan MJC-14-EWH is a jaw-type flexible coupling designed to join shafts while accommodating eccentricity, angular misalignment, and end-play. This makes it ideal for precision drive systems, robotics, servo and CNC applications where smooth torque transfer and reliable alignment are essential.

✅ Bore 1: 1/4" (6.35 mm); Bore 2: 7 mm (0.28 in)
✅ Length: 22 mm (0.87 in); OD: 14 mm (0.55 in)
✅ Material: Stainless steel; Insulated; Made in Japan
✅ Type: Jaw-type flexible coupling with bellows to absorb eccentricity and angular misalignment
✅ Features: zero-backlash at low torque; tight-fit for precise torque transmission; easy assembly
✅ Pack size: 1 (single unit)
✅ Spider color varies with stock
✅ Wrench torque: 0.7 N-m (M3 wrench)
💡 What is a jaw-type flexible coupling used for in precision drive systems and how does the NBK MJC-14-EWH improve performance? Jaw-type flexible couplings join two shafts while tolerating misalignment and end-play, delivering smooth torque transfer and vibration damping in high-precision setups. - Transfers torque between shafts while accepting minor misalignment - Helps reduce vibration and end-play for smoother motion - Tight-fit design provides low-backlash performance at low torque This handy coupling keeps your drive train aligned and reliable in servo motors, CNC machines, and robotics.
NBK Japan MJC-14-EWH 1/4" inch to 7mm
Jaw-type Flexible Coupling

NBK Japan MJC-14-EWH 1/4" inch 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: 1/4" inch
  • 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
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6739838099

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Sia G
Alexandria, US
★★★★★ 5
My desk looks organized
Works great
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Reviewed in the United States on April 18, 2026
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NegativeG
Grantham, US
★★★★★ 5
Includes everything you need and a bonus to get the cord wrap
I bought this to route the cords up to the monitor on a height-adjustable desk. The top of the desk is an inch thick, and this was easy to drill through. To make sure I got a clean cut and did not damage the top, I put painters' tape on the area where I wanted to cut and drilled a small starter hole to get it exactly in the right spot. It cut a really clean hole from the top, and the plastic insert fit perfectly. Once I got the hole cut and the wires run where I wanted them, I put the cord wrap on. The tool that comes with the cord wrap is really slick and super easy to use. I was able to bundle together three cords that hang off the side of the desk. Given that the desk is adjustable, it was a nice bonus to get the cord manager with the kit, as it keeps the cords from getting hung up in the desk when adjusting it. I'm very happy with the purchase, great price.
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Reviewed in the United States on December 14, 2025
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Dean Thompson
Grantham, US
★★★★★ 4
Good product
The hole covers are great. As far as the hole cutting bit. Not so much. But still worth the price.
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Reviewed in the United States on October 26, 2025
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Kelly L Lipprand
West Palm Beach, US
★★★★★ 5
Good tool
Easy to use. Worked perfectly.
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Reviewed in the United States on October 4, 2025
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Daddy H
Birmingham, US
★★★★★ 5
great product
love it great product
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Reviewed in the United States on April 12, 2026

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