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RULAND MANUFACTURING PSMR25-8-8-A 8mm x 8mm Four Beam Coupling, Aluminum, Set Screw Style, 25.4mm OD, 31.8mm Lg.
Item: AB8YBXModel: PSMR25-8-8-ACross Ref: 2AEH3
7 In Stock
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€81.48 /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 | 0.25 mm |
| Bore Dia. | 8 mm x 8 mm |
| Bore Diameter 1 | 8 mm |
| Bore Diameter 2 | 8 mm |
| Bore Tolerance | 0 mm to 0.025 mm |
| Bore Type | Round |
| Clearance Dia. | 25.4 mm |
| Coupling Material | Aluminum |
| Coupling Material Finish | Bright |
| Coupling Material Grade | Grade 7075 |
| Coupling Outside Diameter | 25.4 mm |
| Different Bore Sizes | No |
| Dynamic Torque Non-reversing | 1.87 N-m |
| Dynamic Torque Reversing | 0.93 N-m |
| Fastener Tightening Torque | 1.76 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 | (4) Set Screw |
| Length Through Bore | 15.9 mm |
| Length Through Bore 1 | 14.7 mm |
| Length Through Bore 2 | 14.7 mm |
| Material | Aluminum |
| Max. Angular Misalignment | 3° |
| Max. Parallel Misalignment | 0.015" |
| Max. Speed | 6000 RPM |
| Max. Temp. Range | 225°F |
| Maximum Operating Temperature | 107°C |
| Minimum Operating Temperature | -40°C |
| Moment Of Inertia | 0.000003394 kgf/sq. m |
| Number Of Beams | 4 |
| Number Of Locking Screws | 4 |
| Outside Dia. | 25.4 mm |
| Overall Length | 31.8 mm |
| Parallel Misalignment | 0.38 mm |
| Rated Torque | 3.73 N-m |
| Screw Material | Alloy Steel |
| Screw Material Finish | Black Oxide |
| Screw Thread Size | M4 |
| Screw Type | Set Screw |
| Shaft Locking Type | Set Screw |
| Shaft Tolerance | -0.013 mm to 0 mm |
| Style | 4 Beam Set Screw |
| System Of Measurement | Metric |
| Torque | 33 lbs.-in. |
| Torsional Stiffness | 0.64 N-m/deg. |
| Zero Backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.04 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 7.62 |
| Ship width (cm) | 2.54 |
| HS code | 8483608000 |
| Country of Origin | US |
Product Variants
| Model | Overall Length | Axial Motion | Parallel Misalignment | Torsional Stiffness | Different Bore Sizes | Coupling Material | Rated Torque | Max. Temp. Range | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| PSMR10-3-3-A | 14.3 mm | 0.13 mm | 0.2 mm | 0.08 N-m/deg. | No | Aluminum | 0.62 N-m | 225°F | €75.64 | |
| PSMR13-3-3-A | 19.1 mm | 0.13 mm | 0.2 mm | 0.15 N-m/deg. | No | Aluminum | 0.9 N-m | 225°F | €84.24 | |
| PSMR13-4-4-A | 19.1 mm | 0.005" | 0.008" | 0.15 N-m/deg. | No | Aluminum | 8 lbs.-in. | 225°F | €74.58 | |
| PSMR13-5-4-A | 19.1 mm | 0.005" | 0.008" | 0.15 N-m/deg. | Yes | Aluminum | 8 lbs.-in. | 225°F | €74.45 | |
| PSMR16-3-3-A | 20.3 mm | 0.13 mm | 0.2 mm | 0.31 N-m/deg. | No | Aluminum | 1.7 N-m | 225°F | €70.70 | |
| PSMR16-4-3-A | 20.3 mm | 0.13 mm | 0.2 mm | 0.21 N-m/deg. | Yes | Aluminum | 1.36 N-m | 225°F | €81.80 | |
| PSMR16-4-4-A | 20.3 mm | 0.13 mm | 0.2 mm | 0.21 N-m/deg. | No | Aluminum | 1.36 N-m | 225°F | €72.74 |
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RULAND MANUFACTURING PSMR25-8-8-A 8mm x 8mm Four Beam Coupling, Aluminum, Set Screw Style, 25.4mm OD, 31.8mm Lg.
€90.53 /unit