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RULAND MANUFACTURING BCK21-8-8-A 1/2 x 1/2 Inch Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313 Inch, OD 1.700 Inch Lg.
Item: DK6FJXModel: BCK21-8-8-ACross Ref: 817AU6
7 In Stock
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€374.99 /unit
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Product Specifications:
| Angular Misalignment | 1.5° |
| Axial Motion | 0.016" |
| B1 Maximum Shaft Penetration | 0.804" |
| B2 Max Shaft Penetration | 0.804" |
| Balanced Design | Yes |
| Bellows Attachment Method | Epoxy |
| Bore (b1) | 1/2" |
| Bore Tolerance | -0" to +0.001" |
| Dynamic Torque Non-reversing | 60 lbs.-in. |
| Dynamic Torque Reversing | 30 lbs.-in. |
| Finish Specification | Sulfuric Anodized Mil-A-8625 Type Ii, Class 2 And Astm B580 Type B Black Anodize |
| Forged Clamp Screw | M3 |
| Full Bearing Support Required | Yes |
| Hex Wrench Size | 2.5 mm |
| Hub Width (lh) | 0.59" |
| Keyway (k1) Size | 1/8" |
| Keyway Size(k2) | 1/8" |
| Length (l) | 1.7" |
| Length Tolerance | - 0.03" to + 0.03" |
| Material Specification | Hubs: 2024-T351 Aluminum Bar |
| Max. Speed | 10000 RPM |
| Moment Of Inertia | 0.0383 lbs.-in. |
| Number Of Screws | 2 EA |
| Outer Diameter | 1.313" |
| Parallel Misalignment | 0.006" |
| Recommended Hex Key | Metric Hex Keys |
| Recommended Shaft Tolerance | -0.0005" to 0" |
| Screw Finish | Black Oxide |
| Screw Material | Alloy Steel |
| Seating Torque | 2.1 N-m |
| Small Bore (b2) | 0.5" |
| Static Torque | 120 lbs.-ft. |
| Temperature | -40°F to 200°F |
| Torque Wrench | TW:BT-1R-1/4-18.3 |
| Torsional Stiffness | 400 lbs.-in./deg. |
| Zero-backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.07 |
| 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 | Bore Tolerance | Dynamic Torque Non-reversing | Dynamic Torque Reversing | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| BCK16-8-5-A | 244 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.0067 lbs.-in. | -0" to +0.001" | 30 lbs.-in. | 15 lbs.-in. | €162.95 | |
| BCK16-6-6-A | 244 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.0093 lbs.-in. | -0" to +0.001" | 30 lbs.-in. | 15 lbs.-in. | €384.25 | |
| BCK21-10-5-A | 400 lbs.-in./deg. | 0.016" | 0.006" | 1.5° | 0.0284 lbs.-in. | -0" to +0.001" | 60 lbs.-in. | 30 lbs.-in. | €190.37 | |
| BCK21-10-8-A | 400 lbs.-in./deg. | 0.016" | 0.006" | 1.5° | 0.0377 lbs.-in. | -0" to +0.001" | 60 lbs.-in. | 30 lbs.-in. | €190.37 | |
| BCK16-8-8-A | 244 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.0089 lbs.-in. | -0" to +0.001" | 30 lbs.-in. | 15 lbs.-in. | €384.25 | |
| BCK16-6-4-A | 244 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.0069 lbs.-in. | -0" to +0.001" | 30 lbs.-in. | 15 lbs.-in. | €162.95 | |
| BCK16-6-5-A | 244 lbs.-in./deg. | 0.012" | 0.004" | 1.5° | 0.0069 lbs.-in. | -0" to +0.001" | 30 lbs.-in. | 15 lbs.-in. | €162.95 |
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RULAND MANUFACTURING BCK21-8-8-A 1/2 x 1/2 Inch Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313 Inch, OD 1.700 Inch Lg.
€416.66 /unit