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RULAND MANUFACTURING BC21-8MM-5/16 -A 8mm x 5/16 Inch Bellows Coupling, High Stiffness, Aluminum, 1.313 Inch, OD 1.700 Inch Lg.
Item: DK6KXJModel: BC21-8MM-5/16 -A
7 In Stock
8 mm x 0.313"
Ships within 2 days via
€185.80 /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) | 8 mm |
| 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" |
| 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 | 0.037438 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) | 0.3125" |
| Static Torque | 120 lbs.-ft. |
| Temperature | -40°F to 200°F |
| Torque Wrench | TW:BT-1R-1/4-18.3 |
| Torsional Stiffness | 3500 lbs.-in./deg. |
| Zero-backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.07 |
| Ship height (cm) | 3.34 |
| Ship length (cm) | 4.32 |
| Ship width (cm) | 3.34 |
| Country of Origin | US |
Product Variants
| Model | Torsional Stiffness | Axial Motion | Parallel Misalignment | Bore Dia. 1 | Bore Dia. 2 | Coupling Outside Dia. | Overall Length | Rated Torque | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| BC50-1 1/2 -25MM-A | 3500 lbs.-in./deg. | 0.03" | 0.012" | 1 1/2" | 25 mm | 3.13" | 3.82" | 1350 lbs.-in. | €667.66 | |
| BC44-1 1/2 -25MM-A | 2100 lbs.-in./deg. | 0.03" | 0.012" | 1 1/2" | 25 mm | 2 3/4" | 3 11/25" | 925 lbs.-in. | €622.02 | |
| BC44-1 1/2 -30MM-A | 2100 lbs.-in./deg. | 0.03" | 0.012" | 1 1/2" | 30 mm | 2 3/4" | 3 11/25" | 925 lbs.-in. | €622.02 | |
| BC50-1 1/2 -30MM-A | 3500 lbs.-in./deg. | 0.03" | 0.012" | 1 1/2" | 30 mm | 3.13" | 3.82" | 1350 lbs.-in. | €667.66 | |
| BC50-1 1/2 -35MM-A | 3500 lbs.-in./deg. | 0.03" | 0.012" | 1 1/2" | 35 mm | 3.13" | 3.82" | 1350 lbs.-in. | €667.66 | |
| BC44-1 1/2 -35MM-A | 2100 lbs.-in./deg. | 0.03" | 0.012" | 1 1/2" | 35 mm | 2 3/4" | 3 11/25" | 925 lbs.-in. | €622.02 | |
| BC44-1 1/4 -25MM-A | 2100 lbs.-in./deg. | 0.03" | 0.012" | 1 1/4" | 25 mm | 2 3/4" | 3 11/25" | 925 lbs.-in. | €622.02 |
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RULAND MANUFACTURING BC21-8MM-5/16 -A 8mm x 5/16 Inch Bellows Coupling, High Stiffness, Aluminum, 1.313 Inch, OD 1.700 Inch Lg.
€185.80 /unit