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    The MD (mini disc) Series coupling features a higher torque capacity over elastomeric coupling types. The MD Series one piece clamping design allows for easy removal and assembly. The Aluminum hubs and stainless steel disc materials allow for excellent resistance to oil and other chemicals.

    The MD Series design offers moderate torsional stiffness for applications requiring repeatability. The MD Series also offers up to .020 inches of axial misalignment.
Unit of Measure

Specifications

Description 

 N/A MD40C-CP-1/2X5/8

Coupling Size

 N/A MD40C

Bore Type

 N/A Finished Bore

Type

 N/A Mini Disc Coupling

Disc Material

 N/A Stainless Steel

Hub Material

 N/A Aluminum

Style

 N/A Clamp Screw

Application

 N/A Motion Control

Weight

 N/A 0.22 oz

Weight (Complete Coupling w/ Min. Bores)

 N/A 3.53 oz

Dimensional Data

Bore A

 N/A 0.500 in

Bore B

 N/A 0.625 in

Overall Length

 N/A 1.732 in44.00 mm

Keyway Size

 N/A No Keyway

Outside Diameter

 N/A 1.575 in40.00 mm

Min. Bore (Dimensions ID1/ID2)

 N/A 0.315 in8.00 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 0.787 in20.00 mm

Length thru Bore

 N/A 0.551 in14.00 mm

Clamp Screw Size

 N/A M4

Cubic inches

 N/A 4.29644 in³

Performance Data

Max. Operating Temperature

 N/A 300.00 ºF

Max. Speed

 N/A 5000 rpm

Nominal Torque

 N/A 31.00 in·lb

Angular Misalignment

 N/A 1.50 º

Axial Misalignment

 N/A ± 0.20 in

Parallel Misalignment

 N/A 0.006 in

Moment of Inertia

 N/A 0.0650 lb·in²

Torsional Stiffness

 N/A 12390.00 in·lb/rad

Features

Features 

 N/A
  • Zero backlash design
  • Moderate torsional stiffness
  • Aluminum hubs with stainless steel discs
  • Moderate-high torque capabilities

Notes

Notes 

 N/A
  • Nominal torque, torsional stiffness, weight and moment of inertia are based on minimum bore size.
  • Various hub diameters available to accommodate different size bore diameters.
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