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RULAND MANUFACTURING MDCD25-12-8-A 12mm x 8mm Double Disc Coupling, Aluminum, Clamp Style, 25.4mm OD, 34.9mm Lg.
Item: AB8XRUModel: MDCD25-12-8-ACross Ref: 2ADH3
7 In Stock
12 mm x 8 mm
Ships within 2 days via
10.00% off
€171.33 /unit
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Product Specifications:
| Item | Motion Control Coupling |
| Angular Misalignment | 2° |
| Application | Precise Positioning Stepper Servo |
| Axial Motion | 0.3 mm |
| Bore Dia. | 12 mm x 8 mm |
| Bore Diameter 1 | 12 mm |
| Bore Diameter 2 | 8 mm |
| Bore Tolerance | -0 mm to +0.03 mm |
| Bore Type | Round |
| Center Spacer Material | Aluminum |
| Clearance Dia. | 25.4 mm |
| Coupling Outside Diameter | 25.4 mm |
| Different Bore Sizes | Yes |
| Disc Material | Stainless Steel |
| Disc Material Finish | Black Anodized |
| Disc Material Grade | 302 |
| Disc Type | Stainless Steel |
| Dynamic Torque Non-reversing | 2.8 N-m |
| Dynamic Torque Reversing | 1.4 N-m |
| Fastener Tightening Torque | 2.1 N-m |
| Features | Balanced Design For Reduced Vibration, Disc Spring Sets Bend Independent Of Each Other, Lightweight And Has Low Inertia |
| Finish | Anodized |
| For Environment | Angular Misalignment, Axial Motion, Parallel Misalignment |
| For Misalignment Type | Angular, Axial, Parallel |
| Full Bearing Support Required | Yes |
| Hub Dia. | 25.4 mm |
| Hub Length | 11.8 mm |
| Hub Material | Aluminum |
| Hub Material Finish | Anodized Aluminum |
| Hub Material Grade | Grade 2024 |
| Included Screws | (2) Hex Socket Cap Screw |
| Length Through Bore | 17.47 mm |
| Length Through Bore 1 | 11.8 mm |
| Length Through Bore 2 | 16.6 mm |
| Material | Aluminum |
| Max. Angular Misalignment | 2° |
| Max. Parallel Misalignment | 0.006" |
| Max. Speed | 10000 RPM |
| Max. Temp. Range | 200°F |
| Maximum Operating Temperature | 93°C |
| Minimum Operating Temperature | -23°C |
| Moment Of Inertia | 0.000003363 kgf/sq. m |
| Number Of Discs | 2 With Center Spacer |
| Number Of Locking Screws | 2 |
| Outside Dia. | 25.4 mm |
| Overall Length | 34.9 mm |
| Parallel Misalignment | 0.15 mm |
| Rated Torque | 5.6 N-m |
| Screw Material | Alloy Steel |
| Screw Material Finish | Black Oxide |
| Screw Thread Size | M3 |
| Screw Type | Cap Screw |
| Shaft Locking Type | Clamp On |
| Shaft Tolerance | -0.013 mm to 0 mm |
| Style | Double Disc Clamp |
| System Of Measurement | Metric |
| Torque | 50 lbs.-in. |
| Torsional Stiffness | 6.9 N-m/deg. |
| Zero Backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.04 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 3.48 |
| Ship width (cm) | 2.54 |
| HS code | 8483608000 |
| Country of Origin | US |
Product Variants
| Model | Torsional Stiffness | Axial Motion | Parallel Misalignment | Overall Length | Rated Torque | Different Bore Sizes | Bore Dia. 1 | Bore Dia. 2 | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| MDCD19-4-4-A | 5.8 N-m/deg. | 0.2 mm | 0.1 mm | 30.2 mm | 2.8 N-m | No | - | - | €170.45 | |
| MDCD19-5-4-A | 5.8 N-m/deg. | 0.2 mm | 0.1 mm | 30.2 mm | 2.8 N-m | Yes | - | - | €183.85 | |
| MDCD19-5-5-A | 5.8 N-m/deg. | 0.2 mm | 0.1 mm | 30.2 mm | 2.8 N-m | No | - | - | €171.56 | |
| MDCD19-6-4-A | - | - | - | 30.2 mm | - | - | - | - | €163.46 | |
| MDCD19-6-5-A | 5.8 N-m/deg. | 0.2 mm | 0.1 mm | 30.2 mm | 2.8 N-m | Yes | - | - | €192.95 | |
| MDCD19-6-6-A | 5.8 N-m/deg. | 0.2 mm | 0.1 mm | 30.2 mm | 2.8 N-m | No | - | - | €181.47 | |
| MDCD19-8-5-A | 5.8 N-m/deg. | 0.2 mm | 0.1 mm | 30.2 mm | 2.8 N-m | Yes | - | - | €191.65 |
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RULAND MANUFACTURING MDCD25-12-8-A 12mm x 8mm Double Disc Coupling, Aluminum, Clamp Style, 25.4mm OD, 34.9mm Lg.
€190.37 /unit