Bellows Flexible Coupling
| Servomotor | A |
|---|---|
| Stepping Motor | A |
| General-Purpose Motor | - |
| Encoder | - |
| Zero Backlash | A |
|---|---|
| High Torsional Stiffness | A |
| High Torque | A |
| Allowable Misalignment | B |
| Vibration Absorption | - |
| Electrical Insulation | - |
| Corrosion Resistant (All Stainless Steel) | - |
A : Excellent B : Very Good
| Catalog Number |
A | B | L | W | E | F | G | M | Wrench Torque (N·m) |
 |
 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MKM-17C-H | 16.5 | 14.5 | 9 | 31.5 | 9 | 3.3 | 4.6 | M2.5 | 1 | MKM17CH.dxf | MKM17CH |
| MKM-25C | 24.5 | 24 | 13 | 42 | 16 | 4.5 | 7.5 | M3 | 2 | MKM25C.dxf | MKM25C |
| MKM-25C-H | 24.5 | 24 | 13 | 43.5 | 16 | 4.5 | 7.5 | M3 | 2 | MKM25CH.dxf | MKM25CH |
| MKM-40C-H | 39.5 | 39.5 | 16.5 | 62 | 27 | 6 | 13 | M5 | 7 | MKM40CH.dxf | MKM40CH |
| MKM-56C | 56 | 56 | 20 | 70 | 38 | 8 | 19 | M6 | 14 | MKM56C.dxf | MKM56C |
| MKM-56C-H | 56 | 56 | 20 | 70 | 38 | 7.5 | 19 | M6 | 14 | MKM56CH.dxf | MKM56CH |
| MKM-63C | 63 | 66 | 22 | 77 | 47 | 8.5 | 22 | M8 | 30 | MKM63C.dxf | MKM63C |
| MKM-80C-H | 79.5 | 82 | 26 | 92 | 60 | 10.5 | 28.5 | M10 | 65 | MKM80CH.dxf | MKM80CH |
| MKM-99C | 99 | 101 | 29 | 100 | 76 | 12 | 35 | M12 | 115 | MKM99C.dxf | MKM99C |
| Catalog Number |
Max. Bore (mm) |
Rated Torque (N·m) |
Max. Torque (N·m) |
Max. Rotational Frequency (min-1) |
Moment of Inertia* (kg·m2) |
Static Torsional Stiffness (N·m/rad) |
Errors of Eccentricity (mm) |
Errors of Angularity (°) |
Errors of Shaft End-Play (mm) |
Mass* (g) |
|---|---|---|---|---|---|---|---|---|---|---|
| MKM-17C-H | 6 | 0.9 | 1.8 | 20000 | 1.2x10-7 | 400 | 0.1 | 2 | ±0.3 | 12 |
| MKM-25C | 10 | 2 | 4 | 12000 | 6.5x10-7 | 900 | 0.1 | 2 | ±0.5 | 30 |
| MKM-25C-H | 10 | 4 | 8 | 12000 | 1.3x10-6 | 1800 | 0.1 | 2 | ±0.4 | 36 |
| MKM-40C-H | 19 | 12 | 24 | 12000 | 2.9x10-5 | 6800 | 0.2 | 2 | ±0.7 | 120 |
| MKM-56C | 30 | 20 | 40 | 10000 | 1.3x10-4 | 18000 | 0.2 | 2 | ±0.8 | 250 |
| MKM-56C-H | 30 | 35 | 70 | 10000 | 1.4x10-4 | 22000 | 0.2 | 2 | ±0.8 | 270 |
| MKM-63C | 34 | 60 | 120 | 8000 | 2.5x10-4 | 33000 | 0.2 | 2 | ±0.9 | 370 |
| MKM-80C-H | 43 | 170 | 250 | 8000 | 7.2x10-4 | 63000 | 0.2 | 2 | ±1.2 | 660 |
| MKM-99C | 54 | 270 | 400 | 8000 | 1.8x10-3 | 111000 | 0.2 | 2 | ±1.2 | 1100 |
*Adjustment of rated and maximum torque specifications for load fluctuations is not required.
For more detailed information, please refer to Selection Guidelines [PDF 171KB].
**Moment of inertia and mass figures based on maximum bore dimensions.
| Catalog Number |
RoHS | Stock Bores D1·D2 |
|---|---|---|
| MKM-17C-H | Compliant | |
| MKM-25C | Compliant | |
| MKM-25C-H | Compliant | |
| MKM-40C-H | Compliant | |
| MKM-56C | Compliant | |
| MKM-56C-H | Compliant | |
| MKM-63C | Compliant | |
| MKM-80C-H | Compliant | |
| MKM-99C | Compliant |
●All products come with cap screws.
●Recommended tolerance for shaft diameters is h6 and h7. However, 35M mentioned in the above table is for servomotors.
Its recommended tolerance is 0~+0.010.
●Bore and keyway modifications are available on request. Please contact the customer service center for more information.