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Disc Couplings
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DCD - Clamp Style Double Disc Coupling

Clamp Double Disc Coupling DCD Line Drawing

Features

  • High torque
  • Balanced design for high RPM
  • Low inertia
  • No maintenance
  • High torsional stiffness
  • Constant velocity
  • Long life
  • Zero backlash
  • RoHS2 and REACH Compliant
  • Maximum speed: 10,000 RPM
  • Bore tolerance: +.001"/-.000"
  • Temperature Range: -10°F to 200°F

Notes

  • Aluminum hubs are standard
  • Hubs available in stainless steel
 

How to Specify

Part numbers are in the following format with numbers representing sixteenths of an inch:

order bc

Inch to Metric Bore Combinations

  • Inch to metric bore combinations are available on the double disc coupling conversion page
  • For help on inch to metric bore combinations please email

 
 
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  Click part number for full technical specs, CAD files, and pricing
Part Number Large
Bore
B1 (in)
Small
Bore
B2 (in)
Outer
Diameter
OD (in)
Length
L (in)
Hub
Width
LH (in)
Clamp
Screw
Static
Torque
(lb-in)
Torsional
Stiffness
(lb-in/Deg)
Angular
(Deg)
Parallel
(in)
Axial
Motion
(in)
                     
DCD10-2-2-A 0.125 0.125 0.590 0.937 0.328 M2 15 27 1.0° 0.002 0.004
DCD10-3-2-A 0.188 0.125 0.590 0.937 0.328 M2 15 27 1.0° 0.002 0.004
DCD10-3-3-A 0.188 0.188 0.590 0.937 0.328 M2 15 27 1.0° 0.002 0.004
DCD10-4-2-A 0.250 0.125 0.590 0.937 0.328 M2 15 27 1.0° 0.002 0.004
DCD10-4-3-A 0.250 0.188 0.590 0.937 0.328 M2 15 27 1.0° 0.002 0.004
DCD10-4-4-A 0.250 0.250 0.590 0.937 0.328 M2 15 27 1.0° 0.002 0.004
DCD12-3-3-A 0.188 0.188 0.750 1.189 0.418 M2.5 25 51 2.0° 0.004 0.008
DCD12-4-3-A 0.250 0.188 0.750 1.189 0.418 M2.5 25 51 2.0° 0.004 0.008
DCD12-4-4-A 0.250 0.250 0.750 1.189 0.418 M2.5 25 51 2.0° 0.004 0.008
DCD12-5-3-A 0.313 0.188 0.750 1.189 0.418 M2.5 25 51 2.0° 0.004 0.008
DCD12-5-4-A 0.313 0.250 0.750 1.189 0.418 M2.5 25 51 2.0° 0.004 0.008
DCD12-5-5-A 0.313 0.313 0.750 1.189 0.418 M2.5 25 51 2.0° 0.004 0.008
DCD16-4-4-A 0.250 0.250 1.000 1.374 0.467 M3 50 61 2.0° 0.006 0.012
DCD16-5-4-A 0.313 0.250 1.000 1.374 0.467 M3 50 61 2.0° 0.006 0.012
DCD16-5-5-A 0.313 0.313 1.000 1.374 0.467 M3 50 61 2.0° 0.006 0.012
DCD16-6-4-A 0.375 0.250 1.000 1.374 0.467 M3 50 61 2.0° 0.006 0.012
DCD16-6-5-A 0.375 0.313 1.000 1.374 0.467 M3 50 61 2.0° 0.006 0.012
DCD16-6-6-A 0.375 0.375 1.000 1.374 0.467 M3 50 61 2.0° 0.006 0.012
DCD16-8-4-A 0.500 0.250 1.000 1.374 0.467 M3 50 61 2.0° 0.006 0.012
DCD16-8-5-A 0.500 0.313 1.000 1.374 0.467 M3 50 61 2.0° 0.006 0.012
DCD16-8-6-A 0.500 0.375 1.000 1.374 0.467 M3 50 61 2.0° 0.006 0.012
DCD16-8-8-A 0.500 0.500 1.000 1.374 0.467 M3 50 61 2.0° 0.006 0.012
DCD21-10-10-A 0.625 0.625 1.313 1.770 0.590 M3 100 253 2.0° 0.008 0.016
DCD21-10-5-A 0.625 0.313 1.313 1.770 0.590 M3 100 253 2.0° 0.008 0.016
DCD21-10-6-A 0.625 0.375 1.313 1.770 0.590 M3 100 253 2.0° 0.008 0.016
DCD21-10-8-A 0.625 0.500 1.313 1.770 0.590 M3 100 253 2.0° 0.008 0.016
DCD21-5-5-A 0.313 0.313 1.313 1.770 0.590 M3 100 253 2.0° 0.008 0.016
DCD21-6-5-A 0.375 0.313 1.313 1.770 0.590 M3 100 253 2.0° 0.008 0.016
DCD21-6-6-A 0.375 0.375 1.313 1.770 0.590 M3 100 253 2.0° 0.008 0.016
DCD21-8-5-A 0.500 0.313 1.313 1.770 0.590 M3 100 253 2.0° 0.008 0.016
DCD21-8-6-A 0.500 0.375 1.313 1.770 0.590 M3 100 253 2.0° 0.008 0.016
DCD21-8-8-A 0.500 0.500 1.313 1.770 0.590 M3 100 253 2.0° 0.008 0.016
DCD26-10-10-A 0.625 0.625 1.625 2.165 0.710 M4 180 375 2.0° 0.010 0.020
DCD26-10-6-A 0.625 0.375 1.625 2.165 0.710 M4 180 375 2.0° 0.010 0.020
DCD26-10-8-A 0.625 0.500 1.625 2.165 0.710 M4 180 375 2.0° 0.010 0.020
DCD26-12-10-A 0.750 0.625 1.625 2.165 0.710 M4 180 375 2.0° 0.010 0.020
DCD26-12-12-A 0.750 0.750 1.625 2.165 0.710 M4 180 375 2.0° 0.010 0.020
DCD26-12-6-A 0.750 0.375 1.625 2.165 0.710 M4 180 375 2.0° 0.010 0.020
DCD26-12-8-A 0.750 0.500 1.625 2.165 0.710 M4 180 375 2.0° 0.010 0.020
DCD26-6-6-A 0.375 0.375 1.625 2.165 0.710 M4 180 375 2.0° 0.010 0.020
DCD26-8-6-A 0.500 0.375 1.625 2.165 0.710 M4 180 375 2.0° 0.010 0.020
DCD26-8-8-A 0.500 0.500 1.625 2.165 0.710 M4 180 375 2.0° 0.010 0.020
DCD32-10-10-A 0.625 0.625 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-10-8-A 0.625 0.500 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-12-10-A 0.750 0.625 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-12-12-A 0.750 0.750 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-12-8-A 0.750 0.500 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-14-10-A 0.875 0.625 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-14-12-A 0.875 0.750 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-14-14-A 0.875 0.875 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-14-8-A 0.875 0.500 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-16-10-A 1.000 0.625 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-16-12-A 1.000 0.750 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-16-14-A 1.000 0.875 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-16-16-A 1.000 1.000 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-16-8-A 1.000 0.500 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD32-8-8-A 0.500 0.500 2.000 2.519 0.810 M5 350 595 2.0° 0.012 0.025
DCD36-10-10-A 0.625 0.625 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-10-8-A 0.625 0.500 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-12-10-A 0.750 0.625 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-12-12-A 0.750 0.750 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-12-8-A 0.750 0.500 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-14-10-A 0.875 0.625 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-14-12-A 0.875 0.750 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-14-14-A 0.875 0.875 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-14-8-A 0.875 0.500 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-16-10-A 1.000 0.625 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-16-12-A 1.000 0.750 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-16-14-A 1.000 0.875 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-16-16-A 1.000 1.000 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-16-8-A 1.000 0.500 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-18-10-A 1.125 0.625 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-18-12-A 1.125 0.750 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-18-14-A 1.125 0.875 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-18-16-A 1.125 1.000 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-18-18-A 1.125 1.125 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-18-8-A 1.125 0.500 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-20-10-A 1.250 0.625 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-20-12-A 1.250 0.750 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-20-14-A 1.250 0.875 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-20-16-A 1.250 1.000 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-20-18-A 1.250 1.125 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-20-20-A 1.250 1.250 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-20-8-A 1.250 0.500 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
DCD36-8-8-A 0.500 0.500 2.250 3.080 1.050 M6 450 769 2.0° 0.012 0.030
 
Note 1 Static torque ratings are at maximum misalignment. To obtain dynamic rating, static ratings should be divided by 2 for non-reversing applications and by 4 for reversing applications.
Note 2 Hardware is alloy steel with black oxide finish.
Note 3 Performance ratings are for guidance only. The user must determine suitability for a particular application.
Note 4 Ratings are for standard couplings supplied with black anodized aluminum hubs and center spacers. Stainless steel hubs and center spacers available upon request. Insulating (Acetal) spacers available with our DCDE series.
Note 5 Torque ratings for the couplings are based on the physical limitations/failure point of the disc springs. In some cases, especially when the smallest standard bores are used or where shafts are undersized, slippage on the shaft is possible below the rated torque of the disc springs. Keyways are available to provide additional torque capacity in the shaft/hub connection when required. Please consult technical support for more assistance.
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