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Bellows Couplings for Conveyors
Bellows couplings are comprised of two anodized aluminum hubs mounted to 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. Precision conveyors for semiconductor such pallet conveyors often require high speed and torque, which are two of the primary benefits of using a bellows coupling. These conveyors may be positioning sensitive items worth tens of thousands of dollars or more. Size for size, bellows are the stiffest flexible coupling Ruland offers reducing the likelihood of vibration or windup adversely impacting the system. Bellows couplings are manufactured in our Marlborough, Massachusetts factory in bore sizes ranging from 1/8” to 1” or 3mm to 25mm.
Products
Download CAD File:
BC21-16MM-1/2\"-A
BC21-16MM-1/2"-A
As low as
$94.83
$139.09
Ruland BC21-16MM-1/2"-A, 16mm x 1/2" Bellows Coupling, High Stiffness, Aluminum, 1.313" (33.3mm), OD 1.700" (43.2mm) Length
Download CAD File:
BC21-16MM-3/8\"-A
BC21-16MM-3/8"-A
As low as
$94.83
$139.09
Ruland BC21-16MM-3/8"-A, 16mm x 3/8" Bellows Coupling, High Stiffness, Aluminum, 1.313" (33.3mm), OD 1.700" (43.2mm) Length
Download CAD File:
BC21-16MM-5/16\"-A
BC21-16MM-5/16"-A
As low as
$94.83
$139.09
Ruland BC21-16MM-5/16"-A, 16mm x 5/16" Bellows Coupling, High Stiffness, Aluminum, 1.313" (33.3mm), OD 1.700" (43.2mm) Length
Download CAD File:
BC21-16MM-5/8\"-A
BC21-16MM-5/8"-A
As low as
$94.83
$139.09
Ruland BC21-16MM-5/8"-A, 16mm x 5/8" Bellows Coupling, High Stiffness, Aluminum, 1.313" (33.3mm), OD 1.700" (43.2mm) Length
Download CAD File:
BC26-16MM-1/2\"-A
BC26-16MM-1/2"-A
As low as
$105.39
$154.57
Ruland BC26-16MM-1/2"-A, 16mm x 1/2" Bellows Coupling, High Stiffness, Aluminum, 1.625" (41.3mm), OD 2.035" (51.7mm) Length
Download CAD File:
BC26-16MM-3/8\"-A
BC26-16MM-3/8"-A
As low as
$105.39
$154.57
Ruland BC26-16MM-3/8"-A, 16mm x 3/8" Bellows Coupling, High Stiffness, Aluminum, 1.625" (41.3mm), OD 2.035" (51.7mm) Length
Download CAD File:
BC26-16MM-5/8\"-A
BC26-16MM-5/8"-A
As low as
$105.39
$154.57
Ruland BC26-16MM-5/8"-A, 16mm x 5/8" Bellows Coupling, High Stiffness, Aluminum, 1.625" (41.3mm), OD 2.035" (51.7mm) Length
Download CAD File:
BC32-16MM-1/2\"-A
BC32-16MM-1/2"-A
As low as
$126.47
$185.49
Ruland BC32-16MM-1/2"-A, 16mm x 1/2" Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC32-16MM-5/8\"-A
BC32-16MM-5/8"-A
As low as
$126.47
$185.49
Ruland BC32-16MM-5/8"-A, 16mm x 5/8" Bellows Coupling, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BC36-16MM-1/2\"-A
BC36-16MM-1/2"-A
As low as
$172.38
$252.82
Ruland BC36-16MM-1/2"-A, 16mm x 1/2" Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BC36-16MM-5/8\"-A
BC36-16MM-5/8"-A
As low as
$172.38
$252.82
Ruland BC36-16MM-5/8"-A, 16mm x 5/8" Bellows Coupling, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BCK21-16MM-1/2\"-A
BCK21-16MM-1/2"-A
As low as
$113.14
$165.94
Ruland BCK21-16MM-1/2"-A, 16mm x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" (33.3mm), OD 1.700" (43.2mm) Length
Download CAD File:
BCK21-16MM-3/8\"-A
BCK21-16MM-3/8"-A
As low as
$113.14
$165.94
Ruland BCK21-16MM-3/8"-A, 16mm x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" (33.3mm), OD 1.700" (43.2mm) Length
Download CAD File:
BCK21-16MM-5/16\"-A
BCK21-16MM-5/16"-A
As low as
$113.14
$165.94
Ruland BCK21-16MM-5/16"-A, 16mm x 5/16" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" (33.3mm), OD 1.700" (43.2mm) Length
Download CAD File:
BCK21-16MM-5/8\"-A
BCK21-16MM-5/8"-A
As low as
$113.14
$165.94
Ruland BCK21-16MM-5/8"-A, 16mm x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" (33.3mm), OD 1.700" (43.2mm) Length
Download CAD File:
BCK26-16MM-1/2\"-A
BCK26-16MM-1/2"-A
As low as
$135.16
$198.24
Ruland BCK26-16MM-1/2"-A, 16mm x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" (41.3mm), OD 2.035" (51.7mm) Length
Download CAD File:
BCK26-16MM-3/8\"-A
BCK26-16MM-3/8"-A
As low as
$135.16
$198.24
Ruland BCK26-16MM-3/8"-A, 16mm x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" (41.3mm), OD 2.035" (51.7mm) Length
Download CAD File:
BCK26-16MM-5/8\"-A
BCK26-16MM-5/8"-A
As low as
$135.16
$198.24
Ruland BCK26-16MM-5/8"-A, 16mm x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" (41.3mm), OD 2.035" (51.7mm) Length
Download CAD File:
BCK32-16MM-1/2\"-A
BCK32-16MM-1/2"-A
As low as
$162.57
$238.43
Ruland BCK32-16MM-1/2"-A, 16mm x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BCK32-16MM-5/8\"-A
BCK32-16MM-5/8"-A
As low as
$162.57
$238.43
Ruland BCK32-16MM-5/8"-A, 16mm x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.000" (50.8mm), OD 2.413" (61.3mm) Length
Download CAD File:
BCK36-16MM-1/2\"-A
BCK36-16MM-1/2"-A
As low as
$199.99
$293.32
Ruland BCK36-16MM-1/2"-A, 16mm x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
BCK36-16MM-5/8\"-A
BCK36-16MM-5/8"-A
As low as
$199.99
$293.32
Ruland BCK36-16MM-5/8"-A, 16mm x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250" (57.2mm), OD 3.235" (82.2mm) Length
Download CAD File:
MBC33-16-10-A
MBC33-16-10-A
As low as
$94.83
$139.09
Ruland MBC33-16-10-A, 16mm x 10mm Bellows Coupling, High Stiffness, Aluminum, 33.3mm, OD 43.2mm Length
Download CAD File:
MBC33-16-11-A
MBC33-16-11-A
As low as
$94.83
$139.09
Ruland MBC33-16-11-A, 16mm x 11mm Bellows Coupling, High Stiffness, Aluminum, 33.3mm, OD 43.2mm Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
BC21-16MM-1/2"-A
16 mm
0.5000 in
1.700 in (43.2 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
BC21-16MM-3/8"-A
16 mm
0.3750 in
1.700 in (43.2 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
BC21-16MM-5/16"-A
16 mm
0.3125 in
1.700 in (43.2 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
BC21-16MM-5/8"-A
16 mm
0.6250 in
1.700 in (43.2 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
BC26-16MM-1/2"-A
16 mm
0.5000 in
2.035 in (51.7 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
BC26-16MM-3/8"-A
16 mm
0.3750 in
2.035 in (51.7 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
BC26-16MM-5/8"-A
16 mm
0.6250 in
2.035 in (51.7 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
BC32-16MM-1/2"-A
16 mm
0.5000 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC32-16MM-5/8"-A
16 mm
0.6250 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BC36-16MM-1/2"-A
16 mm
0.5000 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BC36-16MM-5/8"-A
16 mm
0.6250 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BCK21-16MM-1/2"-A
16 mm
0.5000 in
1.700 in (43.2 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
BCK21-16MM-3/8"-A
16 mm
0.3750 in
1.700 in (43.2 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
BCK21-16MM-5/16"-A
16 mm
0.3125 in
1.700 in (43.2 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
BCK21-16MM-5/8"-A
16 mm
0.6250 in
1.700 in (43.2 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
BCK26-16MM-1/2"-A
16 mm
0.5000 in
2.035 in (51.7 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
BCK26-16MM-3/8"-A
16 mm
0.3750 in
2.035 in (51.7 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
BCK26-16MM-5/8"-A
16 mm
0.6250 in
2.035 in (51.7 mm)
Aluminum
1.625 in (41.3 mm)
10,000 RPM
BCK32-16MM-1/2"-A
16 mm
0.5000 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BCK32-16MM-5/8"-A
16 mm
0.6250 in
2.413 in (61.3 mm)
Aluminum
2.000 in (50.8 mm)
10,000 RPM
BCK36-16MM-1/2"-A
16 mm
0.5000 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
BCK36-16MM-5/8"-A
16 mm
0.6250 in
3.235 in (82.2 mm)
Aluminum
2.250 in (57.2 mm)
10,000 RPM
MBC33-16-10-A
16 mm
10 mm
43.2 mm
Aluminum
33.3 mm
10,000 RPM
MBC33-16-11-A
16 mm
11 mm
43.2 mm
Aluminum
33.3 mm
10,000 RPM
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