Products for USB Sensing and Control
This jaw type half-coupling can be used to connect a 4mm shaft to another shaft. It is held in place by two set screws, and fits together with another CL8-25 series jaw coupling of any shaft size with a hard elastomer spider in between.
Jaw type couplings are ideal for high-torque applications and applications where shafts of two different sizes need to be coupled. This series of couplers are rated for torques as high as 60 kg·cm and speeds of up to 16000 rpm.
If you're having trouble with slipping, you can file a groove into the shaft where the set screws hold it in place. You can also use a Loctite adhesive on the set screws to ensure that they remain in place.
This jaw type half-coupling connects to any other half-coupling in the CL8-25 series with a coupling spider pressed in between. The other half and the spider are both sold separately. See the Connection & Compatibility tab for a complete list.
If you want to be able to measure the speed that a rotary system is moving at, you can use this 4mm shaft coupler to connect to any of these encoders:
| Physical Properties | |
|---|---|
| Manufacturer Part Number | CL8-25 4mm |
| Material | Aluminium |
| Coupling Rated Torque | 60.7 kg·cm |
| Coupling Rated Speed | 16000 RPM |
| Torsional Stiffness | 63 N·m/rad |
| Shaft Angularity Tolerance | 1° |
| Shaft Eccentricity Tolerance | 20 μm |
| Inner Diameter | 4 mm |
| Screw Thread Size | M4 |
| Weight | 42 g |
| Customs Information | |
| Canadian HS Export Code | 8483.60.00 |
| American HTS Import Code | 8483.60.80.00 |
| Country of Origin | CN (China) |
| Product | Physical Properties | |||||
|---|---|---|---|---|---|---|
| Part Number | Price | Inner Diameter | Material | Coupling Rated Torque | Coupling Rated Speed | Torsional Stiffness |
 Spiral Beam Coupling 4mm - 4mm
|
$3.50 | 4 mm | Aluminium | 10 kg·cm | 8000 RPM | 110 N·m/rad |
 Jaw Coupling Half 4mm Series 12
|
$3.00 | 4 mm | Aluminum | 35.7 kg·cm | 12000 RPM | — |
