RULAND MANUFACTURING BCK Series Standard Bellows Couplings, Inch To Metric
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| Style | Model | Bore Dia. 1 | Bore Dia. 2 | Coupling Outside Dia. | Overall Length | Rated Torque | Torsional Stiffness | Moment Of Inertia | Dynamic Torque Non-reversing | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | BCK44-1 1/2 -30MM-A | 1 1/2" | 30 mm | 2 3/4" | 3 11/25" | 925 lbs.-in. | 2100 lbs.-in./deg. | 1.405 lbs.-sq. in. | 462.5 lbs.-in. | €721.24 | |
| A | BCK50-1 1/2 -30MM-A | 1 1/2" | 30 mm | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.767 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-1 1/2 -25MM-A | 1 1/2" | 25 mm | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.78 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK44-1 1/2 -25MM-A | 1 1/2" | 25 mm | 2 3/4" | 3 11/25" | 925 lbs.-in. | 2100 lbs.-in./deg. | 1.416 lbs.-sq. in. | 462.5 lbs.-in. | €721.24 | |
| A | BCK50-1 1/2 -35MM-A | 1 1/2" | 35 mm | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.745 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK44-1 1/2 -35MM-A | 1 1/2" | 35 mm | 2 3/4" | 3 11/25" | 925 lbs.-in. | 2100 lbs.-in./deg. | 1.385 lbs.-sq. in. | 462.5 lbs.-in. | €721.24 | |
| A | BCK44-1 1/4 -25MM-A | 1 1/4" | 25 mm | 2 3/4" | 3 11/25" | 925 lbs.-in. | 2100 lbs.-in./deg. | 1.448 lbs.-sq. in. | 462.5 lbs.-in. | €721.24 | |
| A | BCK50-1 1/4 -25MM-A | 1 1/4" | 25 mm | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.817 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK44-1 1/4 -30MM-A | 1 1/4" | 30 mm | 2 3/4" | 3 11/25" | 925 lbs.-in. | 2100 lbs.-in./deg. | 1.437 lbs.-sq. in. | 462.5 lbs.-in. | €721.24 | |
| A | BCK50-1 1/4 -30MM-A | 1 1/4" | 30 mm | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.804 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-1 3/4 -25MM-A | 1 3/4" | 25 mm | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.724 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-1 3/4 -30MM-A | 1 3/4" | 30 mm | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.711 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-1 3/4 -35MM-A | 1 3/4" | 35 mm | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.688 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-1 3/4 -40MM-A | 1 3/4" | 40 mm | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.654 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-1 -25MM-A | 1" | 25 mm | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.836 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK44-1 -25MM-A | 1" | 25 mm | 2 3/4" | 3 11/25" | 925 lbs.-in. | 2100 lbs.-in./deg. | 1.464 lbs.-sq. in. | 462.5 lbs.-in. | €721.24 | |
| A | BCK44-30MM-1 -A | 30 mm | 1" | 2 3/4" | 3 11/25" | 925 lbs.-in. | 2100 lbs.-in./deg. | 1.453 lbs.-sq. in. | 462.5 lbs.-in. | €721.24 | |
| A | BCK50-30MM-1 -A | 30 mm | 1" | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.823 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-35MM-1 -A | 35 mm | 1" | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.8 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK44-35MM-1 -A | 35 mm | 1" | 2 3/4" | 3 11/25" | 925 lbs.-in. | 2100 lbs.-in./deg. | 1.434 lbs.-sq. in. | 462.5 lbs.-in. | €721.24 | |
| A | BCK44-35MM-1 1/4 -A | 35 mm | 1 1/4" | 2 3/4" | 3 11/25" | 925 lbs.-in. | 2100 lbs.-in./deg. | 1.418 lbs.-sq. in. | 462.5 lbs.-in. | €721.24 | |
| A | BCK50-35MM-1 1/4 -A | 35 mm | 1 1/4" | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.782 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-40MM-1 1/2 -A | 40 mm | 1 1/2" | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.711 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-40MM-1 -A | 40 mm | 1" | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.766 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-40MM-1 1/4 -A | 40 mm | 1 1/4" | 3.13" | 3.82" | - | - | - | - | €829.55 | |
| A | BCK50-45MM-1 1/2 -A | 45 mm | 1 1/2" | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.659 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-45MM-1 3/4 -A | 45 mm | 1 3/4" | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.603 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-45MM-1 -A | 45 mm | 1" | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.715 lbs.-sq. in. | 675 lbs.-in. | €829.55 | |
| A | BCK50-45MM-1 1/4 -A | 45 mm | 1 1/4" | 3.13" | 3.82" | 1350 lbs.-in. | 3500 lbs.-in./deg. | 2.696 lbs.-sq. in. | 675 lbs.-in. | €829.55 |
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