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Disc Coupling - Inch to Metric
Double disc couplings with inch to metric bores. Bore sizes range from 1/8" to 1-1/4" and from 4mm to 32mm.
Features High torque
Balanced design for high RPM
Low inertia
No maintenance
High torsional stiffness
Constant velocity
Long life
Zero backlash
RoHS3 and REACH Compliant
Maximum speed: 10,000 RPM
Bore tolerance:
+.001 in / -.000 in
+.03mm/–.000mm
Temperature Range: -10°F to 200°F
How to Specify Part numbers are in the following format with numbers representing sixteenths of an inch or millimeters:
Products
Download CAD File:
DCDK21-16MM-5/8\"-A
DCDK21-16MM-5/8"-A
As low as
$96.39
$141.37
Ruland DCDK21-16MM-5/8"-A, 16mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 1.313" (33.3mm) OD, 1.770" (45.0mm) Length
Download CAD File:
DCDK26-16MM-5/8\"-A
DCDK26-16MM-5/8"-A
As low as
$110.92
$162.68
Ruland DCDK26-16MM-5/8"-A, 16mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 1.625" (41.3mm) OD, 2.165" (55.0mm) Length
Download CAD File:
DCDK26-17MM-5/8\"-A
DCDK26-17MM-5/8"-A
As low as
$110.92
$162.68
Ruland DCDK26-17MM-5/8"-A, 17mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 1.625" (41.3mm) OD, 2.165" (55.0mm) Length
Download CAD File:
DCDK26-18MM-5/8\"-A
DCDK26-18MM-5/8"-A
As low as
$110.92
$162.68
Ruland DCDK26-18MM-5/8"-A, 18mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 1.625" (41.3mm) OD, 2.165" (55.0mm) Length
Download CAD File:
DCDK26-19MM-5/8\"-A
DCDK26-19MM-5/8"-A
As low as
$110.92
$162.68
Ruland DCDK26-19MM-5/8"-A, 19mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 1.625" (41.3mm) OD, 2.165" (55.0mm) Length
Download CAD File:
DCDK26-20MM-5/8\"-A
DCDK26-20MM-5/8"-A
As low as
$110.92
$162.68
Ruland DCDK26-20MM-5/8"-A, 20mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 1.625" (41.3mm) OD, 2.165" (55.0mm) Length
Download CAD File:
DCDK32-16MM-5/8\"-A
DCDK32-16MM-5/8"-A
As low as
$139.80
$205.04
Ruland DCDK32-16MM-5/8"-A, 16mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.000" (50.8mm) OD, 2.519" (64.0mm) Length
Download CAD File:
DCDK32-17MM-5/8\"-A
DCDK32-17MM-5/8"-A
As low as
$139.80
$205.04
Ruland DCDK32-17MM-5/8"-A, 17mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.000" (50.8mm) OD, 2.519" (64.0mm) Length
Download CAD File:
DCDK32-18MM-5/8\"-A
DCDK32-18MM-5/8"-A
As low as
$139.80
$205.04
Ruland DCDK32-18MM-5/8"-A, 18mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.000" (50.8mm) OD, 2.519" (64.0mm) Length
Download CAD File:
DCDK32-19MM-5/8\"-A
DCDK32-19MM-5/8"-A
As low as
$139.80
$205.04
Ruland DCDK32-19MM-5/8"-A, 19mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.000" (50.8mm) OD, 2.519" (64.0mm) Length
Download CAD File:
DCDK32-20MM-5/8\"-A
DCDK32-20MM-5/8"-A
As low as
$139.80
$205.04
Ruland DCDK32-20MM-5/8"-A, 20mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.000" (50.8mm) OD, 2.519" (64.0mm) Length
Download CAD File:
DCDK32-22MM-5/8\"-A
DCDK32-22MM-5/8"-A
As low as
$139.80
$205.04
Ruland DCDK32-22MM-5/8"-A, 22mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.000" (50.8mm) OD, 2.519" (64.0mm) Length
Download CAD File:
DCDK32-24MM-5/8\"-A
DCDK32-24MM-5/8"-A
As low as
$139.80
$205.04
Ruland DCDK32-24MM-5/8"-A, 24mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.000" (50.8mm) OD, 2.519" (64.0mm) Length
Download CAD File:
DCDK32-25MM-5/8\"-A
DCDK32-25MM-5/8"-A
As low as
$139.80
$205.04
Ruland DCDK32-25MM-5/8"-A, 25mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.000" (50.8mm) OD, 2.519" (64.0mm) Length
Download CAD File:
DCDK36-16MM-5/8\"-A
DCDK36-16MM-5/8"-A
As low as
$185.23
$271.67
Ruland DCDK36-16MM-5/8"-A, 16mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" (57.2mm) OD, 3.080" (78.2mm) Length
Download CAD File:
DCDK36-17MM-5/8\"-A
DCDK36-17MM-5/8"-A
As low as
$185.23
$271.67
Ruland DCDK36-17MM-5/8"-A, 17mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" (57.2mm) OD, 3.080" (78.2mm) Length
Download CAD File:
DCDK36-18MM-5/8\"-A
DCDK36-18MM-5/8"-A
As low as
$185.23
$271.67
Ruland DCDK36-18MM-5/8"-A, 18mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" (57.2mm) OD, 3.080" (78.2mm) Length
Download CAD File:
DCDK36-19MM-5/8\"-A
DCDK36-19MM-5/8"-A
As low as
$185.23
$271.67
Ruland DCDK36-19MM-5/8"-A, 19mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" (57.2mm) OD, 3.080" (78.2mm) Length
Download CAD File:
DCDK36-20MM-5/8\"-A
DCDK36-20MM-5/8"-A
As low as
$185.23
$271.67
Ruland DCDK36-20MM-5/8"-A, 20mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" (57.2mm) OD, 3.080" (78.2mm) Length
Download CAD File:
DCDK36-22MM-5/8\"-A
DCDK36-22MM-5/8"-A
As low as
$185.23
$271.67
Ruland DCDK36-22MM-5/8"-A, 22mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" (57.2mm) OD, 3.080" (78.2mm) Length
Download CAD File:
DCDK36-24MM-5/8\"-A
DCDK36-24MM-5/8"-A
As low as
$185.23
$271.67
Ruland DCDK36-24MM-5/8"-A, 24mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" (57.2mm) OD, 3.080" (78.2mm) Length
Download CAD File:
DCDK36-25MM-5/8\"-A
DCDK36-25MM-5/8"-A
As low as
$185.23
$271.67
Ruland DCDK36-25MM-5/8"-A, 25mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" (57.2mm) OD, 3.080" (78.2mm) Length
Download CAD File:
DCDK36-28MM-5/8\"-A
DCDK36-28MM-5/8"-A
As low as
$185.23
$271.67
Ruland DCDK36-28MM-5/8"-A, 28mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" (57.2mm) OD, 3.080" (78.2mm) Length
Download CAD File:
DCDK36-30MM-5/8\"-A
DCDK36-30MM-5/8"-A
As low as
$185.23
$271.67
Ruland DCDK36-30MM-5/8"-A, 30mm x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" (57.2mm) OD, 3.080" (78.2mm) Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
DCDK21-16MM-5/8"-A
16 mm
0.6250 in
1.770 in (45.0 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
DCDK26-16MM-5/8"-A
16 mm
0.6250 in
2.165 in (55.0 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
DCDK26-17MM-5/8"-A
17 mm
0.6250 in
2.165 in (55.0 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
DCDK26-18MM-5/8"-A
18 mm
0.6250 in
2.165 in (55.0 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
DCDK26-19MM-5/8"-A
19 mm
0.6250 in
2.165 in (55.0 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
DCDK26-20MM-5/8"-A
20 mm
0.6250 in
2.165 in (55.0 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
DCDK32-16MM-5/8"-A
16 mm
0.6250 in
2.519 in (64.0 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
DCDK32-17MM-5/8"-A
17 mm
0.6250 in
2.519 in (64.0 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
DCDK32-18MM-5/8"-A
18 mm
0.6250 in
2.519 in (64.0 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
DCDK32-19MM-5/8"-A
19 mm
0.6250 in
2.519 in (64.0 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
DCDK32-20MM-5/8"-A
20 mm
0.6250 in
2.519 in (64.0 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
DCDK32-22MM-5/8"-A
22 mm
0.6250 in
2.519 in (64.0 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
DCDK32-24MM-5/8"-A
24 mm
0.6250 in
2.519 in (64.0 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
DCDK32-25MM-5/8"-A
25 mm
0.6250 in
2.519 in (64.0 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
DCDK36-16MM-5/8"-A
16 mm
0.6250 in
3.080 in (78.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
DCDK36-17MM-5/8"-A
17 mm
0.6250 in
3.080 in (78.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
DCDK36-18MM-5/8"-A
18 mm
0.6250 in
3.080 in (78.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
DCDK36-19MM-5/8"-A
19 mm
0.6250 in
3.080 in (78.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
DCDK36-20MM-5/8"-A
20 mm
0.6250 in
3.080 in (78.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
DCDK36-22MM-5/8"-A
22 mm
0.6250 in
3.080 in (78.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
DCDK36-24MM-5/8"-A
24 mm
0.6250 in
3.080 in (78.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
DCDK36-25MM-5/8"-A
25 mm
0.6250 in
3.080 in (78.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
DCDK36-28MM-5/8"-A
28 mm
0.6250 in
3.080 in (78.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
DCDK36-30MM-5/8"-A
30 mm
0.6250 in
3.080 in (78.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
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Small Bore (B2)
0.6250 in
Keyway
Yes
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