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Bellows Couplings for Encoders
Ruland bellows couplings are comprised of two anodized aluminum and a stainless steel bellows creating a low inertia zero-backlash coupling that is well suited for speeds up to 10,000 RPM. The thin wall of the bellows allows the coupling to remain flexible under misalignment conditions while maintaining rigidity under torsional loads. They are the most torsionally stiff flexible coupling Ruland offers making them a good fit for encoders that require the highest level of resolution. When designers select a bellows coupling for an encoder they must control for misalignment. While bellows couplings to accommodate all forms of misalignment, they are not as flexible as beam or controlflex types. Bellows couplings are manufactured in our Marlborough, Massachusetts factory with bore sizes ranging from 1/8” to 1” or 3mm to 25mm.
Products
Download CAD File:
BC36-1 1/4\"-14MM-A
BC36-1 1/4"-14MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-14MM-A, 1 1/4" x 14mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-15MM-A
BC36-1 1/4"-15MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-15MM-A, 1 1/4" x 15mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-16MM-A
BC36-1 1/4"-16MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-16MM-A, 1 1/4" x 16mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-17MM-A
BC36-1 1/4"-17MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-17MM-A, 1 1/4" x 17mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-18MM-A
BC36-1 1/4"-18MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-18MM-A, 1 1/4" x 18mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-19MM-A
BC36-1 1/4"-19MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-19MM-A, 1 1/4" x 19mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-20MM-A
BC36-1 1/4"-20MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-20MM-A, 1 1/4" x 20mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-22MM-A
BC36-1 1/4"-22MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-22MM-A, 1 1/4" x 22mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-24MM-A
BC36-1 1/4"-24MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-24MM-A, 1 1/4" x 24mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-25MM-A
BC36-1 1/4"-25MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-25MM-A, 1 1/4" x 25mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-28MM-A
BC36-1 1/4"-28MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-28MM-A, 1 1/4" x 28mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/4\"-30MM-A
BC36-1 1/4"-30MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/4"-30MM-A, 1 1/4" x 30mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-14MM-A
BC36-1 1/8"-14MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-14MM-A, 1 1/8" x 14mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-15MM-A
BC36-1 1/8"-15MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-15MM-A, 1 1/8" x 15mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-16MM-A
BC36-1 1/8"-16MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-16MM-A, 1 1/8" x 16mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-17MM-A
BC36-1 1/8"-17MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-17MM-A, 1 1/8" x 17mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-18MM-A
BC36-1 1/8"-18MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-18MM-A, 1 1/8" x 18mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-19MM-A
BC36-1 1/8"-19MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-19MM-A, 1 1/8" x 19mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-20MM-A
BC36-1 1/8"-20MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-20MM-A, 1 1/8" x 20mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-22MM-A
BC36-1 1/8"-22MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-22MM-A, 1 1/8" x 22mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-24MM-A
BC36-1 1/8"-24MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-24MM-A, 1 1/8" x 24mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-25MM-A
BC36-1 1/8"-25MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-25MM-A, 1 1/8" x 25mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1 1/8\"-28MM-A
BC36-1 1/8"-28MM-A
As low as
$172.38
$252.82
Ruland BC36-1 1/8"-28MM-A, 1 1/8" x 28mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-1\"-14MM-A
BC36-1"-14MM-A
As low as
$172.38
$252.82
Ruland BC36-1"-14MM-A, 1" x 14mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
BC36-1 1/4"-14MM-A
1.2500 in
14 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-15MM-A
1.2500 in
15 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-16MM-A
1.2500 in
16 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-17MM-A
1.2500 in
17 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-18MM-A
1.2500 in
18 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-19MM-A
1.2500 in
19 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-20MM-A
1.2500 in
20 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-22MM-A
1.2500 in
22 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-24MM-A
1.2500 in
24 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-25MM-A
1.2500 in
25 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-28MM-A
1.2500 in
28 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/4"-30MM-A
1.2500 in
30 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-14MM-A
1.1250 in
14 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-15MM-A
1.1250 in
15 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-16MM-A
1.1250 in
16 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-17MM-A
1.1250 in
17 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-18MM-A
1.1250 in
18 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-19MM-A
1.1250 in
19 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-20MM-A
1.1250 in
20 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-22MM-A
1.1250 in
22 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-24MM-A
1.1250 in
24 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-25MM-A
1.1250 in
25 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1 1/8"-28MM-A
1.1250 in
28 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-1"-14MM-A
1.0000 in
14 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
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Length (L)
3.235 in (82.2 mm)
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