The store will not work correctly when cookies are disabled.
JavaScript seems to be disabled in your browser.
For the best experience on our site, be sure to turn on Javascript in your browser.
Due to Microsoft's discontinuation of updates, including security, certain functionality such as checkout and CAD may not work for you. We recommend using Google Chrome, Microsoft Edge, Firefox, or Safari to ensure full functionality.Thank you - the Ruland team
Bellows Couplings: Clamp Style, Inch
Clamp style bellows couplings with inch dimensions. Bore sizes from 1/8" to 1".
Features High torque with low inertia
Balanced design for high RPM
Long Life with no maintenance
High torsional stiffness
Constant velocity
Zero backlash
RoHS3 and REACH Compliant
Maximum speed: 10,000 RPM
Bore tolerance: +.001"/-.000"
Temperature Range: -40°F to 200°
How to Specify Part numbers are in the following format with numbers representing sixteenths of an inch:
Products
Download CAD File:
BC10-2-2-A
BC10-2-2-A
As low as
$85.99
$126.12
Ruland BC10-2-2-A, 1/8" x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
Download CAD File:
BC10-3-2-A
BC10-3-2-A
As low as
$85.99
$126.12
Ruland BC10-3-2-A, 3/16" x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
Download CAD File:
BC10-3-3-A
BC10-3-3-A
As low as
$85.99
$126.12
Ruland BC10-3-3-A, 3/16" x 3/16" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
Download CAD File:
BC10-4-2-A
BC10-4-2-A
As low as
$85.99
$126.12
Ruland BC10-4-2-A, 1/4" x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
Download CAD File:
BC10-4-3-A
BC10-4-3-A
As low as
$85.99
$126.12
Ruland BC10-4-3-A, 1/4" x 3/16" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
Download CAD File:
BC10-4-4-A
BC10-4-4-A
As low as
$85.99
$126.12
Ruland BC10-4-4-A, 1/4" x 1/4" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
Download CAD File:
BC12-3-3-A
BC12-3-3-A
As low as
$80.63
$118.26
Ruland BC12-3-3-A, 3/16" x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" OD, 1.303" Length
Download CAD File:
BC12-4-3-A
BC12-4-3-A
As low as
$80.63
$118.26
Ruland BC12-4-3-A, 1/4" x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" OD, 1.303" Length
Download CAD File:
BC12-4-4-A
BC12-4-4-A
As low as
$80.63
$118.26
Ruland BC12-4-4-A, 1/4" x 1/4" Bellows Coupling, Aluminum, Clamp Style, 0.750" OD, 1.303" Length
Download CAD File:
BC12-5-3-A
BC12-5-3-A
As low as
$80.63
$118.26
Ruland BC12-5-3-A, 5/16" x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" OD, 1.303" Length
Download CAD File:
BC12-5-4-A
BC12-5-4-A
As low as
$80.63
$118.26
Ruland BC12-5-4-A, 5/16" x 1/4" Bellows Coupling, Aluminum, Clamp Style, 0.750" OD, 1.303" Length
Download CAD File:
BC12-5-5-A
BC12-5-5-A
As low as
$80.63
$118.26
Ruland BC12-5-5-A, 5/16" x 5/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" OD, 1.303" Length
Download CAD File:
BC16-4-4-A
BC16-4-4-A
As low as
$89.58
$131.39
Ruland BC16-4-4-A, 1/4" x 1/4" Bellows Coupling, High Stiffness, Aluminum, 1.000", OD 1.345" Length
Download CAD File:
BC16-5-4-A
BC16-5-4-A
As low as
$89.58
$131.39
Ruland BC16-5-4-A, 5/16" x 1/4" Bellows Coupling, High Stiffness, Aluminum, 1.000", OD 1.345" Length
Download CAD File:
BC16-5-5-A
BC16-5-5-A
As low as
$89.58
$131.39
Ruland BC16-5-5-A, 5/16" x 5/16" Bellows Coupling, High Stiffness, Aluminum, 1.000", OD 1.345" Length
Download CAD File:
BC16-6-4-A
BC16-6-4-A
As low as
$89.58
$131.39
Ruland BC16-6-4-A, 3/8" x 1/4" Bellows Coupling, High Stiffness, Aluminum, 1.000", OD 1.345" Length
Download CAD File:
BC16-6-5-A
BC16-6-5-A
As low as
$89.58
$131.39
Ruland BC16-6-5-A, 3/8" x 5/16" Bellows Coupling, High Stiffness, Aluminum, 1.000", OD 1.345" Length
Download CAD File:
BC16-6-6-A
BC16-6-6-A
As low as
$89.58
$131.39
Ruland BC16-6-6-A, 3/8" x 3/8" Bellows Coupling, High Stiffness, Aluminum, 1.000", OD 1.345" Length
Download CAD File:
BC16-8-4-A
BC16-8-4-A
As low as
$89.58
$131.39
Ruland BC16-8-4-A, 1/2" x 1/4" Bellows Coupling, High Stiffness, Aluminum, 1.000", OD 1.345" Length
Download CAD File:
BC16-8-5-A
BC16-8-5-A
As low as
$89.58
$131.39
Ruland BC16-8-5-A, 1/2" x 5/16" Bellows Coupling, High Stiffness, Aluminum, 1.000", OD 1.345" Length
Download CAD File:
BC16-8-6-A
BC16-8-6-A
As low as
$89.58
$131.39
Ruland BC16-8-6-A, 1/2" x 3/8" Bellows Coupling, High Stiffness, Aluminum, 1.000", OD 1.345" Length
Download CAD File:
BC16-8-8-A
BC16-8-8-A
As low as
$89.58
$131.39
Ruland BC16-8-8-A, 1/2" x 1/2" Bellows Coupling, High Stiffness, Aluminum, 1.000", OD 1.345" Length
Download CAD File:
BC21-10-10-A
BC21-10-10-A
As low as
$96.73
$141.87
Ruland BC21-10-10-A, 5/8" x 5/8" Bellows Coupling, High Stiffness, Aluminum, 1.313", OD 1.700" Length
Download CAD File:
BC21-10-5-A
BC21-10-5-A
As low as
$96.73
$141.87
Ruland BC21-10-5-A, 5/8" x 5/16" Bellows Coupling, High Stiffness, Aluminum, 1.313", OD 1.700" Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
BC10-2-2-A
0.1250 in
0.1250 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-3-2-A
0.1875 in
0.1250 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-3-3-A
0.1875 in
0.1875 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-4-2-A
0.2500 in
0.1250 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-4-3-A
0.2500 in
0.1875 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC10-4-4-A
0.2500 in
0.2500 in
1.076 in (27.3 mm)
Aluminum
0.590 in (15.0 mm)
10,000 RPM
BC12-3-3-A
0.1875 in
0.1875 in
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-4-3-A
0.2500 in
0.1875 in
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-4-4-A
0.2500 in
0.2500 in
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-5-3-A
0.3125 in
0.1875 in
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-5-4-A
0.3125 in
0.2500 in
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC12-5-5-A
0.3125 in
0.3125 in
1.306 in (33.2 mm)
Aluminum
0.750 in (19.1 mm)
10,000 RPM
BC16-4-4-A
0.2500 in
0.2500 in
1.345 in (34.2 mm)
Aluminum
1.000 in (25.4 mm)
10,000 RPM
BC16-5-4-A
0.3125 in
0.2500 in
1.345 in (34.2 mm)
Aluminum
1.000 in (25.4 mm)
10,000 RPM
BC16-5-5-A
0.3125 in
0.3125 in
1.345 in (34.2 mm)
Aluminum
1.000 in (25.4 mm)
10,000 RPM
BC16-6-4-A
0.3750 in
0.2500 in
1.345 in (34.2 mm)
Aluminum
1.000 in (25.4 mm)
10,000 RPM
BC16-6-5-A
0.3750 in
0.3125 in
1.345 in (34.2 mm)
Aluminum
1.000 in (25.4 mm)
10,000 RPM
BC16-6-6-A
0.3750 in
0.3750 in
1.345 in (34.2 mm)
Aluminum
1.000 in (25.4 mm)
10,000 RPM
BC16-8-4-A
0.5000 in
0.2500 in
1.345 in (34.2 mm)
Aluminum
1.000 in (25.4 mm)
10,000 RPM
BC16-8-5-A
0.5000 in
0.3125 in
1.345 in (34.2 mm)
Aluminum
1.000 in (25.4 mm)
10,000 RPM
BC16-8-6-A
0.5000 in
0.3750 in
1.345 in (34.2 mm)
Aluminum
1.000 in (25.4 mm)
10,000 RPM
BC16-8-8-A
0.5000 in
0.5000 in
1.345 in (34.2 mm)
Aluminum
1.000 in (25.4 mm)
10,000 RPM
BC21-10-10-A
0.6250 in
0.6250 in
1.700 in (43.2 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
BC21-10-5-A
0.6250 in
0.3125 in
1.700 in (43.2 mm)
Aluminum
1.313 in (33.3 mm)
10,000 RPM
© 2025 Ruland Manufacturing Co., Inc. All rights reserved
Top