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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:
BC10-1/4\"-3MM-A
BC10-1/4"-3MM-A
As low as
$84.30
$123.64
Ruland BC10-1/4"-3MM-A, 1/4" x 3mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-1/4\"-4MM-A
BC10-1/4"-4MM-A
As low as
$84.30
$123.64
Ruland BC10-1/4"-4MM-A, 1/4" x 4mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-1/4\"-5MM-A
BC10-1/4"-5MM-A
As low as
$84.30
$123.64
Ruland BC10-1/4"-5MM-A, 1/4" x 5mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-1/4\"-6MM-A
BC10-1/4"-6MM-A
As low as
$84.30
$123.64
Ruland BC10-1/4"-6MM-A, 1/4" x 6mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-1/8\"-3MM-A
BC10-1/8"-3MM-A
As low as
$84.30
$123.64
Ruland BC10-1/8"-3MM-A, 1/8" x 3mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-3/16\"-3MM-A
BC10-3/16"-3MM-A
As low as
$84.30
$123.64
Ruland BC10-3/16"-3MM-A, 3/16" x 3mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-3/16\"-4MM-A
BC10-3/16"-4MM-A
As low as
$84.30
$123.64
Ruland BC10-3/16"-4MM-A, 3/16" x 4mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-4MM-1/8\"-A
BC10-4MM-1/8"-A
As low as
$84.30
$123.64
Ruland BC10-4MM-1/8"-A, 4mm x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-5MM-1/8\"-A
BC10-5MM-1/8"-A
As low as
$84.30
$123.64
Ruland BC10-5MM-1/8"-A, 5mm x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-5MM-3/16\"-A
BC10-5MM-3/16"-A
As low as
$84.30
$123.64
Ruland BC10-5MM-3/16"-A, 5mm x 3/16" Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-6MM-1/8\"-A
BC10-6MM-1/8"-A
As low as
$84.30
$123.64
Ruland BC10-6MM-1/8"-A, 6mm x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC10-6MM-3/16\"-A
BC10-6MM-3/16"-A
As low as
$84.30
$123.64
Ruland BC10-6MM-3/16"-A, 6mm x 3/16" Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
Download CAD File:
BC12-1/4\"-4MM-A
BC12-1/4"-4MM-A
As low as
$79.05
$115.94
Ruland BC12-1/4"-4MM-A, 1/4" x 4mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-1/4\"-5MM-A
BC12-1/4"-5MM-A
As low as
$79.05
$115.94
Ruland BC12-1/4"-5MM-A, 1/4" x 5mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-1/4\"-6MM-A
BC12-1/4"-6MM-A
As low as
$79.05
$115.94
Ruland BC12-1/4"-6MM-A, 1/4" x 6mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-3/16\"-4MM-A
BC12-3/16"-4MM-A
As low as
$79.05
$115.94
Ruland BC12-3/16"-4MM-A, 3/16" x 4mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-5/16\"-4MM-A
BC12-5/16"-4MM-A
As low as
$79.05
$115.94
Ruland BC12-5/16"-4MM-A, 5/16" x 4mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-5/16\"-5MM-A
BC12-5/16"-5MM-A
As low as
$79.05
$115.94
Ruland BC12-5/16"-5MM-A, 5/16" x 5mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-5/16\"-6MM-A
BC12-5/16"-6MM-A
As low as
$79.05
$115.94
Ruland BC12-5/16"-6MM-A, 5/16" x 6mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-5/16\"-7MM-A
BC12-5/16"-7MM-A
As low as
$79.05
$115.94
Ruland BC12-5/16"-7MM-A, 5/16" x 7mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-5MM-3/16\"-A
BC12-5MM-3/16"-A
As low as
$79.05
$115.94
Ruland BC12-5MM-3/16"-A, 5mm x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-6MM-3/16\"-A
BC12-6MM-3/16"-A
As low as
$79.05
$115.94
Ruland BC12-6MM-3/16"-A, 6mm x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-7MM-1/4\"-A
BC12-7MM-1/4"-A
As low as
$79.05
$115.94
Ruland BC12-7MM-1/4"-A, 7mm x 1/4" Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Download CAD File:
BC12-7MM-3/16\"-A
BC12-7MM-3/16"-A
As low as
$79.05
$115.94
Ruland BC12-7MM-3/16"-A, 7mm x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
BC10-1/4"-3MM-A
0.2500 in
3 mm
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-1/4"-4MM-A
0.2500 in
4 mm
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-1/4"-5MM-A
0.2500 in
5 mm
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-1/4"-6MM-A
0.2500 in
6 mm
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-1/8"-3MM-A
0.1250 in
3 mm
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-3/16"-3MM-A
0.1875 in
3 mm
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-3/16"-4MM-A
0.1875 in
4 mm
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-4MM-1/8"-A
4 mm
0.1250 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-5MM-1/8"-A
5 mm
0.1250 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-5MM-3/16"-A
5 mm
0.1875 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-6MM-1/8"-A
6 mm
0.1250 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-6MM-3/16"-A
6 mm
0.1875 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC12-1/4"-4MM-A
0.2500 in
4 mm
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-1/4"-5MM-A
0.2500 in
5 mm
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-1/4"-6MM-A
0.2500 in
6 mm
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-3/16"-4MM-A
0.1875 in
4 mm
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-5/16"-4MM-A
0.3125 in
4 mm
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-5/16"-5MM-A
0.3125 in
5 mm
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-5/16"-6MM-A
0.3125 in
6 mm
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-5/16"-7MM-A
0.3125 in
7 mm
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-5MM-3/16"-A
5 mm
0.1875 in
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-6MM-3/16"-A
6 mm
0.1875 in
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-7MM-1/4"-A
7 mm
0.2500 in
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-7MM-3/16"-A
7 mm
0.1875 in
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
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