



Simkawa
Oldman Flexible Coupling
Shop precision Oldham flexible couplings designed to accommodate radial misalignment and ensure zero-backlash torque transmission. Ideal for stepper motors, encoders, and motion control systems.
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Oldham Flexible Coupling Descriptions
- Oldham couplings are electrically insulating, absorb vibrations, and are easy to install.
- The cross slider coupling is made of polyoxymethylene elastomer, hard aluminum alloy and 12.9 grade hexagonal alloy bolts. Its structural composition determines that it has a very high tolerance for mechanical errors and ranks first among all couplings in terms of adjustment errors.
- The cross slider coupling also has the characteristics of vibration absorption, zero backlash, high torque, high rigidity, etc., and is widely used in the industrial field.

simkawa shaft coupling
Customization Options
The oldham flexible coupling is divided into set screw cross slider coupling and clamping cross slider coupling, and the style can be selected according to the specific usage scenario.
Product Parameter
Model | Aperture | D | L | Torque (N.m) | Allowable speed (min-1) | Tightening torque (N.m)OD | ||||
d1 | d2 | |||||||||
Min | Max | Min | Max | Min | Max | |||||
JH16 | 3 | 6.35 | 3 | 6.35 | 16 | 18 | 0.7 | 1.4 | 12000 | 0.7 |
JH16C | 4 | 6 | 4 | 6 | 16 | 29 | 0.7 | 1.4 | 12000 | 1.5 |
JHM16 | 3 | 6 | 3 | 6 | 16 | 18 | 1.0 | 2.0 | 8000 | 0.7 |
JHM16C | 3 | 6 | 3 | 6 | 16 | 23.6 | 1.0 | 2.0 | 8000 | 1.5 |
JH20 | 4 | 8 | 4 | 8 | 20 | 23 | 1.2 | 2.4 | 10000 | 1.7 |
JH20C | 4 | 8 | 4 | 8 | 20 | 33 | 1.2 | 2.4 | 10000 | 1.5 |
JHM20 | 4 | 8 | 4 | 8 | 20 | 20 | 1.5 | 3.0 | 7000 | 1.7 |
JHM20C | 4 | 8 | 4 | 8 | 20 | 25.5 | 1.5 | 3.0 | 7000 | 1.0 |

Product Packaging
1. PE bag independent packaging.
2. Support neutral packaging.
3. Logo customization.
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