RULAND MANUFACTURING BCK44-1 1/4 -28MM-A 1 1/4 x 28mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750 Inch, OD 3.439 Inch Lg.
1 1/4" x 28 mm
Get it by Friday, Dec 19
€324.18 /unit
Add To Cart
Request a Quote
Payment
Delivery
Product Specifications:
| Angular Misalignment | 2° |
| Axial Motion | 0.03" |
| B1 Maximum Shaft Penetration | 1.582" |
| B1 Min Shaft Penetration | 0.75" |
| B2 Max Shaft Penetration | 1.582" |
| B2 Min Shaft Penetration | 0.75" |
| Balanced Design | Yes |
| Bellows Attachment Method | Epoxy |
| Bore (b1) | 1 1/4" |
| Bore Tolerance | -0" to +0.001" |
| Dynamic Torque Non-reversing | 462.5 lbs.-in. |
| Dynamic Torque Reversing | 231.3 lbs.-in. |
| Finish Specification | Sulfuric Anodized Mil-A-8625 Type Ii, Class 2 And Astm B580 Type B Black Anodize |
| Forged Clamp Screw | M8 |
| Full Bearing Support Required | Yes |
| Hex Wrench Size | 6 mm |
| Hub Width (lh) | 1.2" |
| Keyway (k1) Size | 1/4" |
| Keyway Size(k2) | 8 mm |
| Length (l) | 3.439" |
| Length Tolerance | - 0.03" to + 0.03" |
| Material Specification | Hubs: 2024-T351 Aluminum Bar |
| Max. Speed | 10000 RPM |
| Moment Of Inertia | 1.442 lbs.-in. |
| Number Of Screws | 2 EA |
| Outer Diameter | 2.75" |
| Parallel Misalignment | 0.012" |
| Recommended Hex Key | Metric Hex Keys |
| Recommended Shaft Tolerance | -0.0005" to 0" |
| Screw Finish | Black Oxide |
| Screw Material | Alloy Steel |
| Seating Torque | 39 N-m |
| Small Bore (b2) | 28 mm |
| Static Torque | 925 lbs.-ft. |
| Temperature | -40°F to 200°F |
| Torque Wrench | TW:BT-4C-3/8-345 |
| Torsional Stiffness | 2100 lbs.-in./deg. |
| Zero-backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.56 |
| Ship height (cm) | 6.99 |
| Ship length (cm) | 8.74 |
| Ship width (cm) | 6.99 |
| 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 |
Explore More
- KEYSHAFT
- INTERNATIONAL ENVIROGUARD
- JEI DRILLING AND CUTTING SOLUTIONS
- J.W. WINCO
- BRENNAN INDUSTRIES
- Square Centrifugal In-Line Blowers
- Calibration Weights
- Epoxy
- Temperature Alarms
- Evaporative Cooler Motors
- ANSELL Class 0 Electrical Gloves, 11 Inch, Yellow
- CONDOR High-Visibility Vest, ANSI Class 2, Mesh Polyester, Hook And Loop, Lime
- VIEGA PROPRESS Tee, 304 SS, Press x Press x Press, FKM Seal
- MUELLER INDUSTRIES 101MDT Silent Check Valves
- OK INDUSTRIES Kynar Wire Wrapping Wires, Insulated, Silver Plated
- APPROVED VENDOR Shelving Bracket
- HARLOFF M Series Control Carts
- BROWNING Steel Single Sprockets With Split Taper Bushings For No. 120 Chain
- BLACK DIAMOND Outdoor Spill Containment Pallets
- CHICAGO PNEUMATIC Sanders
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
RULAND MANUFACTURING BCK44-1 1/4 -28MM-A 1 1/4 x 28mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750 Inch, OD 3.439 Inch Lg.
€324.18 /unit

