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RULAND MANUFACTURING PCR20-4-4-A 1/4 x 1/4 Inch Four Beam Coupling, Aluminum, Clamp Style, 1.250 Inch OD, 1.500 Inch Lg.
Item: AF9VRFModel: PCR20-4-4-ACross Ref: 30VC20
7 In Stock
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€127.27 /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. | 1/4" x 1/4" |
| Bore Diameter 1 | 1/4" |
| Bore Diameter 2 | 1/4" |
| Bore Tolerance | 0" to 0.001" |
| Bore Type | Round |
| Clearance Dia. | 25.4 mm |
| 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 | 34 lbs.-in. |
| Dynamic Torque Reversing | 17 lbs.-in. |
| Fastener Tightening Torque | 4.6 N-m |
| Features | Balanced Design For Reduced Vibration, Higher Torque Capacity, Larger Body Sizes Than Single Beam Couplings, Lower Windup, Machined From A Single Piece Of Material, Two Sets Of Two 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 | 17.02 mm |
| Length Through Bore 1 | 0.7" |
| Length Through Bore 2 | 0.7" |
| Material | Aluminum |
| Max. Angular Misalignment | 3° |
| Max. Bore Dia. | 1/4" |
| Max. Parallel Misalignment | 0.015" |
| Max. Speed | 6000 RPM |
| Max. Temp. Range | 225°F |
| Maximum Operating Temperature | 225°F |
| Min. Bore | 1/4" |
| Minimum Operating Temperature | -40°F |
| Moment Of Inertia | 0.034 lbs.-sq. in. |
| Number Of Beams | 4 |
| Number Of Locking Screws | 2 |
| Overall Length | 1 1/2" |
| Parallel Misalignment | 0.015" |
| Rated Torque | 68 lbs.-in. |
| Screw Material | Alloy Steel |
| Screw Material Finish | Black Oxide |
| Screw Thread Size | M4 |
| Screw Type | Cap Screw |
| Shaft Locking Type | Clamp On |
| Shaft Tolerance | -0.0005" to 0" |
| Style | 4-Beam Clamp |
| System Of Measurement | Imperial |
| Torque | 68 lbs.-in. |
| Torsional Stiffness | 16.67 lbs.-in./deg. |
| Zero Backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.07 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 3.81 |
| Ship width (cm) | 7.62 |
| HS code | 8483608000 |
| Country of Origin | US |
Product Variants
| Model | Overall Length | Different Bore Sizes | Coupling Material | Rated Torque | Torsional Stiffness | Axial Motion | Parallel Misalignment | Clearance Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| PCR10-3-2.5-A | 51/64" | Yes | Aluminum | 12 lbs.-in. | 1.85 lbs.-in./deg. | 0.005" | 0.008" | 15.9 mm | €86.54 | |
| PCR10-3-2-A | 51/64" | Yes | Aluminum | 12 lbs.-in. | 1.85 lbs.-in./deg. | 0.005" | 0.008" | 15.9 mm | €86.54 | |
| PCR10-3-3-A | 51/64" | No | Aluminum | 12 lbs.-in. | 1.85 lbs.-in./deg. | 0.005" | 0.008" | 15.9 mm | €97.33 | |
| PCR12-3-2.5-A | 29/32" | Yes | Aluminum | 17 lbs.-in. | 3.85 lbs.-in./deg. | 0.005" | 0.008" | 19.1 mm | €88.50 | |
| PCR12-3-2-A | 29/32" | Yes | Aluminum | 17 lbs.-in. | 3.85 lbs.-in./deg. | 0.005" | 0.008" | 19.1 mm | €88.50 | |
| PCR12-3-3-A | 22.9 mm | - | - | - | - | - | - | 19.1 mm | €88.50 | |
| PCR12-4-2.5-A | 29/32" | Yes | Aluminum | 14 lbs.-in. | 3.03 lbs.-in./deg. | 0.005" | 0.008" | 19.1 mm | €99.53 |
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RULAND MANUFACTURING PCR20-4-4-A 1/4 x 1/4 Inch Four Beam Coupling, Aluminum, Clamp Style, 1.250 Inch OD, 1.500 Inch Lg.
€141.41 /unit