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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:
BC32-24MM-1/2\"-A
BC32-24MM-1/2"-A
As low as
$126.47
$185.49
Ruland BC32-24MM-1/2"-A, 24mm x 1/2" Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-24MM-3/4\"-A
BC32-24MM-3/4"-A
As low as
$126.47
$185.49
Ruland BC32-24MM-3/4"-A, 24mm x 3/4" Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-24MM-5/8\"-A
BC32-24MM-5/8"-A
As low as
$126.47
$185.49
Ruland BC32-24MM-5/8"-A, 24mm x 5/8" Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-24MM-7/8\"-A
BC32-24MM-7/8"-A
As low as
$126.47
$185.49
Ruland BC32-24MM-7/8"-A, 24mm x 7/8" Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC36-24MM-1/2\"-A
BC36-24MM-1/2"-A
As low as
$172.38
$252.82
Ruland BC36-24MM-1/2"-A, 24mm x 1/2" Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-24MM-3/4\"-A
BC36-24MM-3/4"-A
As low as
$172.38
$252.82
Ruland BC36-24MM-3/4"-A, 24mm x 3/4" Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-24MM-5/8\"-A
BC36-24MM-5/8"-A
As low as
$172.38
$252.82
Ruland BC36-24MM-5/8"-A, 24mm x 5/8" Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-24MM-7/8\"-A
BC36-24MM-7/8"-A
As low as
$172.38
$252.82
Ruland BC36-24MM-7/8"-A, 24mm x 7/8" Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BCK32-24MM-1/2\"-A
BCK32-24MM-1/2"-A
As low as
$162.57
$238.43
Ruland BCK32-24MM-1/2"-A, 24mm x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BCK32-24MM-3/4\"-A
BCK32-24MM-3/4"-A
As low as
$162.57
$238.43
Ruland BCK32-24MM-3/4"-A, 24mm x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BCK32-24MM-5/8\"-A
BCK32-24MM-5/8"-A
As low as
$162.57
$238.43
Ruland BCK32-24MM-5/8"-A, 24mm x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BCK32-24MM-7/8\"-A
BCK32-24MM-7/8"-A
As low as
$162.57
$238.43
Ruland BCK32-24MM-7/8"-A, 24mm x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BCK36-24MM-1/2\"-A
BCK36-24MM-1/2"-A
As low as
$199.99
$293.32
Ruland BCK36-24MM-1/2"-A, 24mm x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BCK36-24MM-3/4\"-A
BCK36-24MM-3/4"-A
As low as
$199.99
$293.32
Ruland BCK36-24MM-3/4"-A, 24mm x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BCK36-24MM-5/8\"-A
BCK36-24MM-5/8"-A
As low as
$199.99
$293.32
Ruland BCK36-24MM-5/8"-A, 24mm x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BCK36-24MM-7/8\"-A
BCK36-24MM-7/8"-A
As low as
$199.99
$293.32
Ruland BCK36-24MM-7/8"-A, 24mm x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
MBC51-24-12-A
MBC51-24-12-A
As low as
$126.47
$185.49
Ruland MBC51-24-12-A, 24mm x 12mm Bellows Coupling, High Stiffness, Aluminum, 50.8mm, OD 61.3mm Length
Download CAD File:
MBC51-24-13-A
MBC51-24-13-A
As low as
$126.47
$185.49
Ruland MBC51-24-13-A, 24mm x 13mm Bellows Coupling, High Stiffness, Aluminum, 50.8mm, OD 61.3mm Length
Download CAD File:
MBC51-24-14-A
MBC51-24-14-A
As low as
$126.47
$185.49
Ruland MBC51-24-14-A, 24mm x 14mm Bellows Coupling, High Stiffness, Aluminum, 50.8mm, OD 61.3mm Length
Download CAD File:
MBC51-24-15-A
MBC51-24-15-A
As low as
$126.47
$185.49
Ruland MBC51-24-15-A, 24mm x 15mm Bellows Coupling, High Stiffness, Aluminum, 50.8mm, OD 61.3mm Length
Download CAD File:
MBC51-24-16-A
MBC51-24-16-A
As low as
$126.47
$185.49
Ruland MBC51-24-16-A, 24mm x 16mm Bellows Coupling, High Stiffness, Aluminum, 50.8mm, OD 61.3mm Length
Download CAD File:
MBC51-24-17-A
MBC51-24-17-A
As low as
$126.47
$185.49
Ruland MBC51-24-17-A, 24mm x 17mm Bellows Coupling, High Stiffness, Aluminum, 50.8mm, OD 61.3mm Length
Download CAD File:
MBC51-24-18-A
MBC51-24-18-A
As low as
$126.47
$185.49
Ruland MBC51-24-18-A, 24mm x 18mm Bellows Coupling, High Stiffness, Aluminum, 50.8mm, OD 61.3mm Length
Download CAD File:
MBC51-24-19-A
MBC51-24-19-A
As low as
$126.47
$185.49
Ruland MBC51-24-19-A, 24mm x 19mm Bellows Coupling, High Stiffness, Aluminum, 50.8mm, OD 61.3mm Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
BC32-24MM-1/2"-A
24 mm
0.5000 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-24MM-3/4"-A
24 mm
0.7500 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-24MM-5/8"-A
24 mm
0.6250 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-24MM-7/8"-A
24 mm
0.8750 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC36-24MM-1/2"-A
24 mm
0.5000 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-24MM-3/4"-A
24 mm
0.7500 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-24MM-5/8"-A
24 mm
0.6250 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-24MM-7/8"-A
24 mm
0.8750 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BCK32-24MM-1/2"-A
24 mm
0.5000 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BCK32-24MM-3/4"-A
24 mm
0.7500 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BCK32-24MM-5/8"-A
24 mm
0.6250 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BCK32-24MM-7/8"-A
24 mm
0.8750 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BCK36-24MM-1/2"-A
24 mm
0.5000 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BCK36-24MM-3/4"-A
24 mm
0.7500 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BCK36-24MM-5/8"-A
24 mm
0.6250 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BCK36-24MM-7/8"-A
24 mm
0.8750 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
MBC51-24-12-A
24 mm
12 mm
61.3 mm
Aluminum
50.8 mm
10,000 RPM
MBC51-24-13-A
24 mm
13 mm
61.3 mm
Aluminum
50.8 mm
10,000 RPM
MBC51-24-14-A
24 mm
14 mm
61.3 mm
Aluminum
50.8 mm
10,000 RPM
MBC51-24-15-A
24 mm
15 mm
61.3 mm
Aluminum
50.8 mm
10,000 RPM
MBC51-24-16-A
24 mm
16 mm
61.3 mm
Aluminum
50.8 mm
10,000 RPM
MBC51-24-17-A
24 mm
17 mm
61.3 mm
Aluminum
50.8 mm
10,000 RPM
MBC51-24-18-A
24 mm
18 mm
61.3 mm
Aluminum
50.8 mm
10,000 RPM
MBC51-24-19-A
24 mm
19 mm
61.3 mm
Aluminum
50.8 mm
10,000 RPM
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