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Bellows Couplings for Automation & Linear Motion
Ruland bellows couplings are made of two lightweight anodized aluminum hubs joined by a flexible stainless steel bellows. The thin walls of the bellows allow the coupling to flex under misalignment while remaining rigid under torsional loads. Engineers designing precision linear systems often prefer to use bellows couplings because they are lightweight, accommodate all forms of misalignment, and have the greatest size-for-size torque and torsional stiffness of any Ruland flexible coupling.
Ruland manufactures bellows couplings with a low inertia, zero-backlash design, making them a suitable option for high torque applications where a rigid coupling is not feasible due to weight or misalignment requirements. They are available in clamp and set screw hubs with or without keyways in bore sizes ranging from 1/8” to 1” and 3mm to 25mm.
Products
Download CAD File:
BC32-14-10-A
BC32-14-10-A
As low as
$126.47
$185.49
Ruland BC32-14-10-A, 7/8" x 5/8" Bellows Coupling, High Stiffness, Aluminum, 2.000", OD 2.413" Length
Download CAD File:
BC32-14-12-A
BC32-14-12-A
As low as
$126.47
$185.49
Ruland BC32-14-12-A, 7/8" x 3/4" Bellows Coupling, High Stiffness, Aluminum, 2.000", OD 2.413" Length
Download CAD File:
BC32-14-14-A
BC32-14-14-A
As low as
$126.47
$185.49
Ruland BC32-14-14-A, 7/8" x 7/8" Bellows Coupling, High Stiffness, Aluminum, 2.000", OD 2.413" Length
Download CAD File:
BC32-14-8-A
BC32-14-8-A
As low as
$126.47
$185.49
Ruland BC32-14-8-A, 7/8" x 1/2" Bellows Coupling, High Stiffness, Aluminum, 2.000", OD 2.413" Length
Download CAD File:
BC32-7/8\"-12MM-A
BC32-7/8"-12MM-A
As low as
$126.47
$185.49
Ruland BC32-7/8"-12MM-A, 7/8" x 12mm Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-7/8\"-13MM-A
BC32-7/8"-13MM-A
As low as
$126.47
$185.49
Ruland BC32-7/8"-13MM-A, 7/8" x 13mm Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-7/8\"-14MM-A
BC32-7/8"-14MM-A
As low as
$126.47
$185.49
Ruland BC32-7/8"-14MM-A, 7/8" x 14mm Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-7/8\"-15MM-A
BC32-7/8"-15MM-A
As low as
$126.47
$185.49
Ruland BC32-7/8"-15MM-A, 7/8" x 15mm Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-7/8\"-16MM-A
BC32-7/8"-16MM-A
As low as
$126.47
$185.49
Ruland BC32-7/8"-16MM-A, 7/8" x 16mm Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-7/8\"-17MM-A
BC32-7/8"-17MM-A
As low as
$126.47
$185.49
Ruland BC32-7/8"-17MM-A, 7/8" x 17mm Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-7/8\"-18MM-A
BC32-7/8"-18MM-A
As low as
$126.47
$185.49
Ruland BC32-7/8"-18MM-A, 7/8" x 18mm Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-7/8\"-19MM-A
BC32-7/8"-19MM-A
As low as
$126.47
$185.49
Ruland BC32-7/8"-19MM-A, 7/8" x 19mm Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-7/8\"-20MM-A
BC32-7/8"-20MM-A
As low as
$126.47
$185.49
Ruland BC32-7/8"-20MM-A, 7/8" x 20mm Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-7/8\"-22MM-A
BC32-7/8"-22MM-A
As low as
$126.47
$185.49
Ruland BC32-7/8"-22MM-A, 7/8" x 22mm Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC36-14-10-A
BC36-14-10-A
As low as
$172.38
$252.82
Ruland BC36-14-10-A, 7/8" x 5/8" Bellows Coupling, High Stiffness, Aluminum, 2.250", OD 3.235" Length
Download CAD File:
BC36-14-12-A
BC36-14-12-A
As low as
$172.38
$252.82
Ruland BC36-14-12-A, 7/8" x 3/4" Bellows Coupling, High Stiffness, Aluminum, 2.250", OD 3.235" Length
Download CAD File:
BC36-14-14-A
BC36-14-14-A
As low as
$172.38
$252.82
Ruland BC36-14-14-A, 7/8" x 7/8" Bellows Coupling, High Stiffness, Aluminum, 2.250", OD 3.235" Length
Download CAD File:
BC36-14-8-A
BC36-14-8-A
As low as
$172.38
$252.82
Ruland BC36-14-8-A, 7/8" x 1/2" Bellows Coupling, High Stiffness, Aluminum, 2.250", OD 3.235" Length
Download CAD File:
BC36-7/8\"-14MM-A
BC36-7/8"-14MM-A
As low as
$172.38
$252.82
Ruland BC36-7/8"-14MM-A, 7/8" x 14mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-7/8\"-15MM-A
BC36-7/8"-15MM-A
As low as
$172.38
$252.82
Ruland BC36-7/8"-15MM-A, 7/8" x 15mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-7/8\"-16MM-A
BC36-7/8"-16MM-A
As low as
$172.38
$252.82
Ruland BC36-7/8"-16MM-A, 7/8" x 16mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-7/8\"-17MM-A
BC36-7/8"-17MM-A
As low as
$172.38
$252.82
Ruland BC36-7/8"-17MM-A, 7/8" x 17mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-7/8\"-18MM-A
BC36-7/8"-18MM-A
As low as
$172.38
$252.82
Ruland BC36-7/8"-18MM-A, 7/8" x 18mm Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-7/8\"-19MM-A
BC36-7/8"-19MM-A
As low as
$172.38
$252.82
Ruland BC36-7/8"-19MM-A, 7/8" x 19mm 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
BC32-14-10-A
0.8750 in
0.6250 in
2.413 in
Aluminum
2.000 in
10,000 RPM
BC32-14-12-A
0.8750 in
0.7500 in
2.413 in
Aluminum
2.000 in
10,000 RPM
BC32-14-14-A
0.8750 in
0.8750 in
2.413 in
Aluminum
2.000 in
10,000 RPM
BC32-14-8-A
0.8750 in
0.5000 in
2.413 in
Aluminum
2.000 in
10,000 RPM
BC32-7/8"-12MM-A
0.8750 in
12 mm
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-7/8"-13MM-A
0.8750 in
13 mm
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-7/8"-14MM-A
0.8750 in
14 mm
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-7/8"-15MM-A
0.8750 in
15 mm
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-7/8"-16MM-A
0.8750 in
16 mm
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-7/8"-17MM-A
0.8750 in
17 mm
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-7/8"-18MM-A
0.8750 in
18 mm
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-7/8"-19MM-A
0.8750 in
19 mm
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-7/8"-20MM-A
0.8750 in
20 mm
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-7/8"-22MM-A
0.8750 in
22 mm
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC36-14-10-A
0.8750 in
0.6250 in
3.235 in
Aluminum
2.250 in
10,000 RPM
BC36-14-12-A
0.8750 in
0.7500 in
3.235 in
Aluminum
2.250 in
10,000 RPM
BC36-14-14-A
0.8750 in
0.8750 in
3.235 in
Aluminum
2.250 in
10,000 RPM
BC36-14-8-A
0.8750 in
0.5000 in
3.235 in
Aluminum
2.250 in
10,000 RPM
BC36-7/8"-14MM-A
0.8750 in
14 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-7/8"-15MM-A
0.8750 in
15 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-7/8"-16MM-A
0.8750 in
16 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-7/8"-17MM-A
0.8750 in
17 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-7/8"-18MM-A
0.8750 in
18 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-7/8"-19MM-A
0.8750 in
19 mm
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
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Bore (B1)
0.8750 in
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