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RULAND MANUFACTURING FCR20-8-8-A 1/2 x 1/2 Inch Six Beam Coupling, Aluminum, Clamp Style, 1.250 Inch OD, 1.750 Inch Lg.
Item: AB8XRGModel: FCR20-8-8-ACross Ref: 2ADG1
7 In Stock
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10.00% off
€156.67 /unit
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Product Specifications:
| Item | Motion Control Coupling |
| Angular Misalignment | 3° |
| Application | Light-Duty Power Transmission, Servo Motors to Lead Screws |
| Axial Motion | 0.01" |
| Bore Dia. | 1/2" x 1/2" |
| Bore Diameter 1 | 1/2" |
| Bore Diameter 2 | 1/2" |
| Bore Tolerance | 0" to 0.001" |
| Bore Type | Round |
| Clearance Dia. | 1.459" |
| Coupling Material | Aluminum |
| Coupling Material Finish | Bright |
| Coupling Material Grade | Grade 7075 |
| Coupling Outside Diameter | 1 1/4" |
| Different Bore Sizes | No |
| Dynamic Torque Non-reversing | 25 lbs.-in. |
| Dynamic Torque Reversing | 12.5 lbs.-in. |
| Fastener Tightening Torque | 9.5 N-m |
| Features | Balanced Design For Reduced Vibration, Higher Torque Capacity, Larger Body Sizes Than Single Or Four Beam Couplings, Lower Windup, Machined From A Single Piece Of Material, Spiral Coupling With Nypatch Anti Vibration Hardware, Two Sets Of Three Spiral Cuts, Zero Backlash |
| Finish | Bright |
| For Environment | Angular Misalignment, Axial Motion, Parallel Misalignment |
| For Misalignment Type | Angular, Axial, Parallel |
| Full Bearing Support Required | Yes |
| Included Screws | (2) Hex Socket Cap Screw |
| Length Through Bore | 7/8" |
| Length Through Bore 1 | 0.8" |
| Length Through Bore 2 | 0.8" |
| Material | Aluminum |
| Max. Angular Misalignment | 3° |
| Max. Parallel Misalignment | 0.015" |
| Max. Speed | 6000 RPM |
| Max. Temp. Range | 225°F |
| Maximum Operating Temperature | 225°F |
| Minimum Operating Temperature | -40°F |
| Moment Of Inertia | 0.0401 lbs.-sq. in. |
| No. Of Beams | 6 |
| Number Of Locking Screws | 2 |
| Outside Dia. | 1 1/4" |
| Overall Length | 1 3/4" |
| Parallel Misalignment | 0.015" |
| Rated Torque | 50 lbs.-in. |
| Screw Material | Alloy Steel |
| Screw Material Finish | Black Oxide |
| Screw Thread Size | M5 |
| Screw Type | Cap Screw |
| Shaft Locking Type | Clamp On |
| Shaft Tolerance | -0.0005" to 0" |
| Style | 6 Beam Clamp |
| System Of Measurement | Imperial |
| Torque | 50 lbs.-in. |
| Torsional Stiffness | 13.89 lbs.-in./deg. |
| Zero Backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.07 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 4.45 |
| Ship width (cm) | 3.81 |
| HS code | 8483608000 |
| Country of Origin | US |
Product Variants
| Model | Different Bore Sizes | Coupling Material | Rated Torque | Torsional Stiffness | Axial Motion | Parallel Misalignment | Overall Length | Clearance Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| FCR10-3-3-A | No | Aluminum | 13 lbs.-in. | 2.78 lbs.-in./deg. | 0.005" | 0.008" | 1" | 0.796" | €96.27 | |
| FCR10-4-3-A | Yes | Aluminum | 13 lbs.-in. | 2.78 lbs.-in./deg. | 0.005" | 0.008" | - | 0.796" | €108.28 | |
| FCR10-4-4-A | No | Aluminum | 13 lbs.-in. | 2.78 lbs.-in./deg. | 0.005" | 0.008" | - | 0.796" | €95.56 | |
| FCR12-3-3-A | No | Aluminum | 26 lbs.-in. | 6.58 lbs.-in./deg. | 0.005" | 0.008" | 1 1/4" | 0.879" | €112.16 | |
| FCR12-3-3-SS | No | Stainless Steel | 41 lbs.-in. | 12.66 lbs.-in./deg. | 0.005" | 0.008" | 1 1/4" | 0.879" | €234.77 | |
| FCR12-4-3-A | Yes | Aluminum | 26 lbs.-in. | 6.58 lbs.-in./deg. | 0.005" | 0.008" | 1 1/4" | 0.879" | €112.96 | |
| FCR12-4-3-SS | Yes | Stainless Steel | 41 lbs.-in. | 12.66 lbs.-in./deg. | 0.005" | 0.008" | 1 1/4" | 0.879" | €237.63 |
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RULAND MANUFACTURING FCR20-8-8-A 1/2 x 1/2 Inch Six Beam Coupling, Aluminum, Clamp Style, 1.250 Inch OD, 1.750 Inch Lg.
€174.07 /unit