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Product Specifications:
| Item | Disc Coupling |
| Angular Misalignment | 2° |
| Application | Encoders, Stepper / Servo |
| Axial Motion | 0.76 mm |
| Bore Dia. 1 | 40 mm |
| Bore Dia. 2 | 30 mm |
| Bore Tolerance | 0 mm to 0.03 mm |
| Bore Type | Round With Keyway |
| Center Spacer Material | Aluminum |
| Coupling Outside Dia. | 79.4 mm |
| Different Bore Sizes | Yes |
| Disc Material | Stainless Steel |
| Disc Material Finish | Plain |
| Disc Material Grade | Grade 302 |
| Dynamic Torque Non-reversing | 64.97 N-m |
| Dynamic Torque Reversing | 32.49 N-m |
| Fastener Tightening Torque | 39 N-m |
| Features | Balanced Design For High RPM, Constant Velocity, High Torque, High Torsional Stiffness, Long Life, Low Inertia, No Maintenance |
| For Misalignment Type | Angular, Axial, Parallel |
| Full Bearing Support Required | Yes |
| Hub Length | 35.6 mm |
| Hub Material | Aluminum |
| Hub Material Finish | Anodized |
| Hub Material Grade | 2024 |
| Included Screws | (2) Hex Cap Screw |
| Keyway Depth 1 | 12 mm |
| Keyway Depth 2 | 8 mm |
| Keyway Width 1 | 8 mm |
| Keyway Width 2 | 7 mm |
| Length Through Bore 1 | 46.8 mm |
| Length Through Bore 2 | 46.8 mm |
| Max. Operating Temp. | 200°F |
| Max. Speed | 10000 RPM |
| Minimum Operating Temperature | -10°F |
| Number Of Discs | 2 |
| Number Of Locking Screws | 2 |
| Overall Length | 101.2 mm |
| Parallel Misalignment | 0.3 mm |
| Rated Torque | 129.93 N-m |
| Screw Length | 20 mm |
| Screw Material | Alloy Steel |
| Screw Material Finish | Black Oxide |
| Screw Thread Size | M8 |
| Shaft Locking Type | Clamp On |
| Shaft Tolerance | -0.013 mm to 0 mm |
| System Of Measurement | Metric |
| Torsional Stiffness | 282.5 N-m/deg. |
| Zero Backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.78 |
| Ship height (cm) | 7.94 |
| Ship length (cm) | 10 |
| Ship width (cm) | 10 |
| Country of Origin | US |
Product Variants
| Model | Torsional Stiffness | Axial Motion | Parallel Misalignment | Different Bore Sizes | Bore Dia. 1 | Bore Dia. 2 | Coupling Outside Dia. | Overall Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| MDCDK80-25-25-A | 282.5 N-m/deg. | 0.76 mm | 0.3 mm | No | 25 mm | 25 mm | 79.4 mm | 101.2 mm | €641.59 | |
| MDCDK70-25-25-A | 180 N-m/deg. | 0.76 mm | 30.48 mm | No | 25 mm | 25 mm | 69.9 mm | 89.7 mm | €496.02 | |
| MDCDK80-30-25-A | 282.5 N-m/deg. | 0.76 mm | 0.3 mm | Yes | 30 mm | 25 mm | 79.4 mm | 101.2 mm | €570.44 | |
| MDCDK70-30-25-A | 180 N-m/deg. | 0.76 mm | 30.48 mm | Yes | 30 mm | 25 mm | 69.9 mm | 89.7 mm | €496.02 | |
| MDCDK70-30-30-A | 180 N-m/deg. | 0.76 mm | 30.48 mm | No | 30 mm | 30 mm | 69.9 mm | 89.7 mm | €557.89 | |
| MDCDK80-30-30-A | 282.5 N-m/deg. | 0.76 mm | 0.3 mm | No | 30 mm | 30 mm | 79.4 mm | 101.2 mm | €570.44 | |
| MDCDK80-35-25-A | 282.5 N-m/deg. | 0.76 mm | 0.3 mm | Yes | 35 mm | 25 mm | 79.4 mm | 101.2 mm | €570.44 |
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RULAND MANUFACTURING MDCDK80-40-30-A 40mm x 30mm Double Disc Coupling, Aluminum, Clamp Style With Keyway, 79.4mm OD, 100.00 mm Lg.
€570.44 /unit
