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    The MDS (mini disc spacer) Series coupling features a higher parallel misalignment capacity over standard MD Series at .006 inches. The MDS Series also has the highest parallel misalignment at .012 inches and angular misalignment at 2° of any of the mini disc couplings.
Unit of Measure

Specifications

Description 

N/A MDS50C CPLG 1/2X5/8

Coupling Size

N/A MDS50C

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 0.33 oz

Weight (Complete Coupling w/ Min. Bores)

N/A 5.29 oz

Dimensional Data

Bore A

N/A 0.500 in

Bore B

N/A 0.625 in

Overall Length

N/A 2.047 in52.00 mm

Keyway Size

N/A No Keyway

Outside Diameter

N/A 1.969 in50.00 mm

Min. Bore (Dimensions ID1/ID2)

N/A 0.472 in12 mm

Max. Bore (Dimensions ID1/ID2)

N/A 0.787 in20.00 mm

Length thru Bore

N/A 0.764 in19.40 mm

Clamp Screw Size

N/A M5

Dimension HD

N/A 1.535 in39.00 mm

Cubic inches

N/A 7.93614 in³

Performance Data

Max. Operating Temperature

N/A 300.00 ºF

Nominal Torque

N/A 66.00 in·lb

Angular Misalignment

N/A 2.00 º

Axial Misalignment

N/A ± 0.024 in

Parallel Misalignment

N/A 0.007 in

Moment of Inertia

N/A 0.1570 lb·in²

Torsional Stiffness

N/A 17700.00 in·lb/rad

Features

Features 

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

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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