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RULAND MANUFACTURING DCD21-8-6-A 1/2 x 3/8 Inch Double Disc Coupling, Aluminum, Clamp Style, 1.313 Inch OD, 1.770 Inch Lg.
Item: AB8XPFModel: DCD21-8-6-ACross Ref: 2ADA8
7 In Stock
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€199.95 /unit
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Product Specifications:
| Item | Motion Control Coupling |
| Angular Misalignment | 2° |
| Application | Precise Positioning Stepper Servo |
| Axial Motion | 0.016" |
| Bore Dia. | 1/2" x 3/8" |
| Bore Diameter 1 | 1/2" |
| Bore Diameter 2 | 3/8" |
| Bore Tolerance | -0" to +0.001" |
| Bore Type | Round |
| Center Spacer Material | Aluminum |
| Clearance Dia. | 1.313" |
| Coupling Outside Diameter | 1 5/16" |
| 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 | 50 lbs.-in. |
| Dynamic Torque Reversing | 25 lbs.-in. |
| 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 Length | 3/5" |
| Hub Material | Aluminum |
| Hub Material Finish | Anodized Aluminum |
| Hub Material Grade | Grade 2024 |
| Included Screws | (2) Hex Socket Cap Screw |
| Length Through Bore | 0.885" |
| Length Through Bore 1 | 0.8" |
| Length Through Bore 2 | 0.8" |
| Material | Aluminum |
| Max. Angular Misalignment | 2° |
| Max. Parallel Misalignment | 0.008" |
| Max. Speed | 10000 RPM |
| Max. Temp. Range | 200°F |
| Maximum Operating Temperature | 200°F |
| Minimum Operating Temperature | -10°F |
| Moment Of Inertia | 0.0443 lbs.-sq. in. |
| Number Of Discs | 2 With Center Spacer |
| Number Of Locking Screws | 2 |
| Outside Dia. | 1.313" |
| Overall Length | 1 49/64" |
| Parallel Misalignment | 0.008" |
| Rated Torque | 100 lbs.-in. |
| Screw Material | Alloy Steel |
| Screw Material Finish | Black Oxide |
| Screw Thread Size | M3 |
| Screw Type | Cap Screw |
| Shaft Locking Type | Clamp On |
| Shaft Tolerance | -0.0005" to 0" |
| Style | Double Disc Clamp |
| System Of Measurement | Imperial |
| Torque | 100 lbs.-in. |
| Torsional Stiffness | 253 lbs.-in./deg. |
| Zero Backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.08 |
| Ship height (cm) | 3.3 |
| Ship length (cm) | 4.5 |
| Ship width (cm) | 3.3 |
| HS code | 8483608000 |
| Country of Origin | US |
Product Variants
| Model | Torsional Stiffness | Axial Motion | Parallel Misalignment | Overall Length | Different Bore Sizes | Rated Torque | Bore Dia. 1 | Bore Dia. 2 | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| DCD12-3-3-A | 51 lbs.-in./deg. | 0.008" | 0.004" | 1 3/16" | No | 25 lbs.-in. | - | - | €171.56 | |
| DCD12-4-3-A | 51 lbs.-in./deg. | 0.008" | 0.004" | 1 3/16" | Yes | 25 lbs.-in. | - | - | €171.56 | |
| DCD12-4-4-A | 51 lbs.-in./deg. | 0.008" | 0.004" | 1 3/16" | No | 25 lbs.-in. | - | - | €163.46 | |
| DCD12-5-3-A | 51 lbs.-in./deg. | 0.008" | 0.004" | 1 3/16" | Yes | 25 lbs.-in. | - | - | €171.56 | |
| DCD12-5-4-A | 51 lbs.-in./deg. | 0.008" | 0.004" | 1 3/16" | Yes | 25 lbs.-in. | - | - | €171.56 | |
| DCD12-5-5-A | 51 lbs.-in./deg. | 0.008" | 0.004" | 1 3/16" | No | 25 lbs.-in. | - | - | €171.56 | |
| DCD16-4-4-A | 61 lbs.-in./deg. | 0.012" | 0.006" | 1 3/8" | No | 50 lbs.-in. | - | - | €190.37 |
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RULAND MANUFACTURING DCD21-8-6-A 1/2 x 3/8 Inch Double Disc Coupling, Aluminum, Clamp Style, 1.313 Inch OD, 1.770 Inch Lg.
€222.17 /unit