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Double Disk 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:
Price: USD  32.6  -  37.5  EA

* Free shipping to North America and most of Europe for orders of $100 or more
* From Jan. 27 - Feb. 5, Online Orders Shipping will be postponed during Spring Festival and resume on the first working day – Feb. 6. Thanks for your patience!

Payment Methods

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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