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RULAND MANUFACTURING BCK26-20MM-3/4 -A 20mm x 3/4 Inch Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625 Inch, OD 2.035 Inch Lg.
Item: DK6LFQModel: BCK26-20MM-3/4 -ACross Ref: 817AV7
7 In Stock
20 mm x 3/4"
Ships within 2 days via
10.00% off
€447.96 /unit
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Product Specifications:
| Angular Misalignment | 2° |
| Axial Motion | 0.02" |
| B1 Maximum Shaft Penetration | 0.946" |
| B2 Max Shaft Penetration | 0.946" |
| Balanced Design | Yes |
| Bellows Attachment Method | Epoxy |
| Bore (b1) | 20 mm |
| Bore Tolerance | -0" to +0.001" |
| Dynamic Torque Non-reversing | 125 lbs.-in. |
| Dynamic Torque Reversing | 62.5 lbs.-in. |
| Finish Specification | Sulfuric Anodized Mil-A-8625 Type Ii, Class 2 And Astm B580 Type B Black Anodize |
| Forged Clamp Screw | M4 |
| Full Bearing Support Required | Yes |
| Hex Wrench Size | 3 mm |
| Hub Width (lh) | 0.71" |
| Keyway (k1) | 6 mm |
| Keyway (k2) | 3/16" |
| Length (l) | 2.035" |
| Length Tolerance | - 0.03" to + 0.03" |
| Material Specification | Hubs: 2024-T351 Aluminum Bar |
| Max. Speed | 10000 RPM |
| Moment Of Inertia | 0.1016 lbs.-in. |
| Number Of Screws | 2 EA |
| Outer Diameter | 1.625" |
| Parallel Misalignment | 0.001" |
| Recommended Hex Key | Metric Hex Keys |
| Recommended Shaft Tolerance | -0.0005" to 0" |
| Screw Finish | Black Oxide |
| Screw Material | Alloy Steel |
| Seating Torque | 4.6 N-m |
| Small Bore (b2) | 0.75" |
| Static Torque | 250 lbs.-ft. |
| Temperature | -40°F to 200°F |
| Torque Wrench | TW:BT-1R-1/4-41.0 |
| Torsional Stiffness | 237 lbs.-in./deg. |
| Zero-backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.11 |
| Ship height (cm) | 5.08 |
| Ship length (cm) | 15.24 |
| Ship width (cm) | 10.16 |
| Country of Origin | US |
Product Variants
| Model | Torsional Stiffness | Axial Motion | Parallel Misalignment | Angular Misalignment | Moment Of Inertia | Dynamic Torque Non-reversing | Dynamic Torque Reversing | Max. Speed | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| BCK16-1/2 -10MM-A | 2100 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.009 lbs.-in. | 30 lbs.-in. | 15 lbs.-in. | 10000 RPM | €384.25 | |
| BCK16-1/2 -6MM-A | 2100 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.0067 lbs.-in. | 30 lbs.-in. | 15 lbs.-in. | 10000 RPM | €162.95 | |
| BCK16-1/2 -11MM-A | 2100 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.009 lbs.-in. | 30 lbs.-in. | 15 lbs.-in. | 10000 RPM | €162.95 | |
| BCK16-1/2 -12MM-A | 2100 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.0089 lbs.-in. | 30 lbs.-in. | 15 lbs.-in. | 10000 RPM | €384.25 | |
| BCK16-12MM-5/16 -A | 2100 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.0067 lbs.-in. | 30 lbs.-in. | 15 lbs.-in. | 10000 RPM | €162.95 | |
| BCK16-1/2 -7MM-A | 2100 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.0091 lbs.-in. | 30 lbs.-in. | 15 lbs.-in. | 10000 RPM | €162.95 | |
| BCK16-3/8 -7MM-A | 2100 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.0093 lbs.-in. | 30 lbs.-in. | 15 lbs.-in. | 10000 RPM | €184.28 |
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RULAND MANUFACTURING BCK26-20MM-3/4 -A 20mm x 3/4 Inch Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625 Inch, OD 2.035 Inch Lg.
€497.73 /unit