Motor Sizing
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Technical Support
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For Japanese
Japanese Support
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Flexible Couplings
Flexible Couplings

MCL Couplings

This three-piece coupling adopts an aluminum alloy hub and a resin spider. The simple construction ensures that the high torque generated by a gear motor can be transmitted reliably. The proper elasticity of the spider suppresses motor vibration.

  • No backlash
  • High strength (usable for geared motors)

Selecting a Coupling

Select the Coupling Type below based on your Motor Model. When selecting a coupling please note the motor shaft diameter can be used for either D1 or D2 of the coupling. Once the motor shaft diameter is determined, the driven shaft diameter can be selected from the alternate value.

If you need help in properly selecting a coupling, please contact our Technical Support team at 1-800-GO-VEXTA (468-3982) or e-mail us.

KII Series

Imperial Output Shaft | Metric Output Shaft

Motor Model Load Type Coupling Type Motor Shaft Diameter Nominal Torque

2IK6

Uniform Load MCL30 3/8 in. 110 lb-in
(12.5 N•m)
Shock Load

3IK15

Uniform Load MCL30 1/2 in. 110 lb-in
(12.5 N•m)
Shock Load MCL40 220 lb-in
(25.0 N•m)

4IK25

Uniform Load MCL40 5/8 in. 220 lb-in
(25.0 N•m)
Shock Load MCL55 530 lb-in
(60.0 N•m)

5IK40
5IK60
5IK90

Uniform Load MCL55 3/4 in. 530 lb-in
(60.0 N•m)
Shock Load MCL65 1410 lb-in
(160.0 N•m)

 

Metric Output Shaft | Imperial Output Shaft

Motor Model Load Type Coupling Type Motor Shaft Diameter Nominal Torque

2IK6

Uniform Load MCL30 10 mm 110 lb-in
(12.5 N•m)
Shock Load

3IK15

Uniform Load MCL30 12 mm 110 lb-in
(12.5 N•m)
Shock Load MCL40 220 lb-in
(25.0 N•m)

4IK25

Uniform Load MCL40 15 mm 220 lb-in
(25.0 N•m)
Shock Load MCL55 530 lb-in
(60.0 N•m)

5IK40
5IK60
5IK90

Uniform Load MCL55 18 mm 530 lb-in
(60.0 N•m)
Shock Load MCL65 1410 lb-in
(160.0 N•m)

5IK100

Uniform / Shock Load MCL55 25 mm 530 lb-in
(60.0 N•m)

7IK200

Uniform / Shock Load MCL65 28 mm 1770 lb-in
(200.0 N•m)

Product Number Code


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