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Flexible Coupling

High Torsional Rigidity, High Torque, High Accuracy, High Durability, Backlash 0, Low Inertia Moment, Small Size
● Type:Double disk type
● Body Material:High tensile aluminum alloy
● Application:Stepper Motor, Servo Motor, Encoder
● Allowable Misalignment:Angular Misalignment, Eccentricity, Axial Misalignment
Brand Name: MOONS'
Price: USD  32.56  -  37.48  EA
Payment Methods

Buyer Protection:
Free Exchange if the item has quality problems within 1 year. Learn more

Structure

Features

1、From φ16 ~φ55 total 7 models 61 sizes are standard.
2、Hysterisis will be decreased by body shape and original slitting pattern.
3、Original taper crowning shaped screw has used for joint. (PAT.P)※1
4、Side clumping type and setscrew key type are released.

Material

  Material Surface treatment
Body Aluminum alloy Alumite
Spacer Aluminum alloy Alumite
Disk SUS 301
Screw SCM 435 Black oxidation coating

Specification

Type Maximum torque
capacity
N ・ m
Torsiona
stiffness
N ・ m/rad
Torsional spring
constant number
N ・ m/rad
Parallel
misalignment
capacity
mm
Angular
misalignment
capacity
°
End play
capacity
mm
Axial spring
constant number
N/mm
Maximum rotation
speed
min-1
Moment of
inertia
kg ・ m²
MARD-16A-3Y-5Y 0.6 500 600 0.1 1.0 ±0.2 50 10000 4.22×10-7
MARD-16A-4Y-5Y 1.0 500 600 0.1 1.0 ±0.2 50 10000 4.22×10-7
MARD-16A-4.5Y-5Y 1.0 500 600 0.1 1.0 ±0.2 50 10000 4.22×10-7
MARD-16A-5Y-5Y 1.0 500 600 0.1 1.0 ±0.2 50 10000 4.22×10-7
MARD-16A-5Y-6Y 1.0 500 600 0.1 1.0 ±0.2 50 10000 4.22×10-7
MARD-21A-6Y-6.35Y 1.2 900 1300 0.1 1.0 ±0.2 75 10000 1.11×10-6
MARD-21A-6.35Y-6.35Y 1.2 900 1300 0.1 1.0 ±0.2 75 10000 1.11×10-6
MARD-21A-6.35Y-8Y 1.2 900 1300 0.1 1.0 ±0.2 75 10000 1.11×10-6
MARD-21A-6.35Y-9Y 1.2 900 1300 0.1 1.0 ±0.2 75 10000 1.11×10-6
MARD-21A-4Y-6.35Y 1.2 900 1300 0.1 1.0 ±0.2 75 10000 1.11×10-6
MARD-21A-4.5Y-6.35Y 1.2 900 1300 0.1 1.0 ±0.2 75 10000 1.11×10-6
MARD-21A-5Y-6.35Y 1.2 900 1300 0.1 1.0 ±0.2 75 10000 1.11×10-6
Type Size Locking screw Tightening
torque
N ・ m
Weight
g
d1 d2 d3 D L L2 L3 size
MARD-16A-3Y-5Y 3 5 6.5 16.6 23.1 7.2 4.2 M2.6 × 6 1.0 11
MARD-16A-4Y-5Y 4 5 6.5 16.6 23.1 7.2 4.2 M2.6 × 6 1.0 11
MARD-16A-4.5Y-5Y 4.5 5 6.5 16.6 23.1 7.2 4.2 M2.6 × 6 1.0 11
MARD-16A-5Y-5Y 5 5 6.5 16.6 23.1 7.2 4.2 M2.6 × 6 1.0 11
MARD-16A-5Y-6Y 5 6 6.5 16.6 23.1 7.2 4.2 M2.6 × 6 1.0 11
MARD-21A-6Y-6.35Y 6 6.35 9.5 21 24.5 7.0 5.2 M2.6 × 8 1.2 17
MARD-21A-6.35Y-6.35Y 6.35 6.35 9.5 21 24.5 7.0 5.2 M2.6 × 8 1.2 17
MARD-21A-6.35Y-8Y 6.35 8 9.5 21 24.5 7.0 5.2 M2.6 × 8 1.2 17
MARD-21A-6.35Y-9Y 6.35 9 9.5 21 24.5 7.0 5.2 M2.6 × 8 1.2 17
MARD-21A-4Y-6.35Y 4 6.35 9.5 21 24.5 7.0 5.2 M2.6 × 8 1.2 17
MARD-21A-4.5Y-6.35Y 4.5 6.35 9.5 21 24.5 7.0 5.2 M2.6 × 8 1.2 17
MARD-21A-5Y-6.35Y 5 6.35 9.5 21 24.5 7.0 5.2 M2.6 × 8 1.2 17

Compare Item Price
(USD)
Buy Now
MARD-16A-3Y-5Y $32.56
MARD-16A-4Y-5Y $32.56
MARD-16A-4.5Y-5Y $32.56
MARD-16A-5Y-5Y $32.56
MARD-16A-5Y-6Y $32.56
MARD-21A-6Y-6.35Y $37.48
MARD-21A-6.35Y-6.35Y $37.48
MARD-21A-6.35Y-8Y $37.48
MARD-21A-6.35Y-9Y $37.48
MARD-21A-4Y-6.35Y $37.48
MARD-21A-4.5Y-6.35Y $37.48
MARD-21A-5Y-6.35Y $37.48

Delivery & Packaging

Ensure your ordered products are always safely packaged from easy click to
fast delivery to your hands

Fast Delivery

Fast Cross-Border Delivery MOONS' chooses DHL as our main international express shipping partner. As the world's leading logistics specialist, DHL provides our customers with fast and professional inter- national door-to-door delivery service.
Estimated Delivery Time: e.g. China-USA major cities 3 business days.

Safely Packaging

In order to ensure your shipments withstand the long trip and arrive safely and intact, MOONS' specially designed Individual package to pass the drop test with its stable structure. Besides, the package is made from recyclable materials, providing you with professional safety delivery.

Professional Product Label

Considering all possible harsh application environments, MOONS' specially designed label for each product, which passes water-resistance test, durability rub test, high temperature resistance and corrosion resistance tests.

Tip: This label design is suitable for products of stepper motor.