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MDSD - Metric Set Screw Double Disc Coupling
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- High torque
- Balanced for high RPM
- Low Inertia
- No maintenance
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- High torsional stiffness
- Constant velocity
- Long life
- Zero backlash
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Please Note:
- Change on Page 7 of Catalog MDCD & MDSD15 Length 23.8, MDCD & MDSD19 Length 30.2, MDCD & MDSD25 Length 35.3, MDCD & MDSD33 Length 45.5, and MDCD & MDSD41 Length 55.8.
- All disc couplings now have a black anodized finished.
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| PART NUMBER |
BORE 1 (mm) |
BORE 2 (mm) |
OD (mm) |
LENGTH L (mm) |
SET SCREW |
HUB WIDTH L1 (mm) |
STATIC TORQUE (Nm) |
TORSIONAL STIFFNESS (Nm/Deg) |
MISALIGNMENT
| ANGULAR (Deg) |
PARALLEL (mm) |
AXIAL MOTION (mm) |
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| MDSD15 |
3 |
3 |
15.0 |
23.8 |
M3 |
8.3 |
1.7 |
3.0 |
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| 4 |
4 |
| 5 |
5 |
| 6 |
6 |
| MDSD19 |
4 |
4 |
19.1 |
30.2 |
M3 |
10.6 |
2.8 |
5.8 |
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| 5 |
5 |
| 6 |
6 |
| 8 |
8 |
| MDSD25 |
6 |
6 |
25.4 |
35.3 |
M4 |
11.8 |
5.6 |
6.9 |
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| 8 |
8 |
| 10 |
10 |
| 12 |
12 |
| MDSD33 |
8 |
8 |
33.3 |
45.5 |
M4 |
15.0 |
11.3 |
28.6 |
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| 10 |
10 |
| 12 |
12 |
| 14 |
14 |
| 15 |
15 |
| 16 |
16 |
| MDSD41 |
10 |
10 |
41.3 |
55.8 |
M5 |
18.0 |
20.3 |
42.4 |
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| 12 |
12 |
| 14 |
14 |
| 15 |
15 |
| 16 |
16 |
| 20 |
20 |
| MDSD51 |
12 |
12 |
50.8 |
63.5 |
M6 |
20.6 |
39.6 |
67.2 |
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| 14 |
14 |
| 15 |
15 |
| 16 |
16 |
| 20 |
20 |
| 25 |
25 |
| MDSD57 |
14 |
14 |
57.2 |
78.7 |
M8 |
26.7 |
50.9 |
86.9 |
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| 15 |
15 |
| 16 |
16 |
| 20 |
20 |
| 25 |
25 |
| 30 |
30 |
| 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. Parts MDSD15 and MDSD19 have one set screw on each end. MDSD25, MDSD33, MDSD41, MDSD51 and MDSD57 have two set screws 90° apart. |
| Note 3 |
Performance ratings are for guidance only. The user must determine suitability for a particular application. |
| Note 4 |
Couplings supplied with aluminum hubs and aluminum center spacers. Stainless steel hubs and center spacers available upon request. Insulating (Acetal) spacers available as standard items. |
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