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Beam Couplings: Four-Beam P-Series, Clamp Style, Metric
Clamp style P-Series four beam couplings (also referred to as helical couplings) with metric dimensions. Bore sizes range from 3mm to 12mm.
Features Aluminum
Extra flexible with low bearing loads
Lightweight for low inertia
Temperature range: -40°F to 225°F
Stainless Steel
Flexible with low bearing loads
Corrosion resistant
Temperature range: -40°F to 350°F
Multiple beam cuts improve parallel misalignment capabilities
Zero backlash
Constant velocity
RoHS3 and REACH Compliant
Maximum speed: 6,000 RPM
Bore tolerance: +.025mm/–.000mm
How to Specify Part numbers are in the following format with numbers representing millimeters:
Products
Download CAD File:
PCMR13-4-4-A
PCMR13-4-4-A
As low as
$33.78
$49.54
Ruland PCMR13-4-4-A, 4mm x 4mm Four Beam Coupling, Aluminum, Clamp Style, 12.7mm OD, 19.1mm Length
Download CAD File:
PCMR13-4-4-SS
PCMR13-4-4-SS
As low as
$88.31
$129.52
Ruland PCMR13-4-4-SS, 4mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 12.7mm OD, 19.1mm Length
Download CAD File:
PCMR16-4-4-A
PCMR16-4-4-A
As low as
$32.53
$47.70
Ruland PCMR16-4-4-A, 4mm x 4mm Four Beam Coupling, Aluminum, Clamp Style, 15.9mm OD, 20.3mm Length
Download CAD File:
PCMR16-4-4-SS
PCMR16-4-4-SS
As low as
$89.78
$131.68
Ruland PCMR16-4-4-SS, 4mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 15.9mm OD, 20.3mm Length
Download CAD File:
PCMR16-5-4-A
PCMR16-5-4-A
As low as
$32.53
$47.70
Ruland PCMR16-5-4-A, 5mm x 4mm Four Beam Coupling, Aluminum, Clamp Style, 15.9mm OD, 20.3mm Length
Download CAD File:
PCMR16-5-4-SS
PCMR16-5-4-SS
As low as
$89.78
$131.68
Ruland PCMR16-5-4-SS, 5mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 15.9mm OD, 20.3mm Length
Download CAD File:
PCMR19-4-4-A
PCMR19-4-4-A
As low as
$33.27
$48.79
Ruland PCMR19-4-4-A, 4mm x 4mm Four Beam Coupling, Aluminum, Clamp Style, 19.1mm OD, 22.9mm Length
Download CAD File:
PCMR19-4-4-SS
PCMR19-4-4-SS
As low as
$83.24
$122.08
Ruland PCMR19-4-4-SS, 4mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
Download CAD File:
PCMR19-5-4-A
PCMR19-5-4-A
As low as
$33.27
$48.79
Ruland PCMR19-5-4-A, 5mm x 4mm Four Beam Coupling, Aluminum, Clamp Style, 19.1mm OD, 22.9mm Length
Download CAD File:
PCMR19-5-4-SS
PCMR19-5-4-SS
As low as
$83.24
$122.08
Ruland PCMR19-5-4-SS, 5mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
Download CAD File:
PCMR19-6-4-A
PCMR19-6-4-A
As low as
$33.27
$48.79
Ruland PCMR19-6-4-A, 6mm x 4mm Four Beam Coupling, Aluminum, Clamp Style, 19.1mm OD, 22.9mm Length
Download CAD File:
PCMR19-6-4-SS
PCMR19-6-4-SS
As low as
$83.24
$122.08
Ruland PCMR19-6-4-SS, 6mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
Download CAD File:
PCMR22-7-7-A
PCMR22-7-7-A
As low as
$37.53
$55.04
Ruland PCMR22-7-7-A, 7mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 22.2mm OD, 27.0mm Length
Download CAD File:
PCMR22-7-7-SS
PCMR22-7-7-SS
As low as
$98.42
$144.36
Ruland PCMR22-7-7-SS, 7mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
Download CAD File:
PCMR22-8-7-A
PCMR22-8-7-A
As low as
$37.53
$55.04
Ruland PCMR22-8-7-A, 8mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 22.2mm OD, 27.0mm Length
Download CAD File:
PCMR22-8-7-SS
PCMR22-8-7-SS
As low as
$98.42
$144.36
Ruland PCMR22-8-7-SS, 8mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
Download CAD File:
PCMR25-10-7-A
PCMR25-10-7-A
As low as
$40.03
$58.71
Ruland PCMR25-10-7-A, 10mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
Download CAD File:
PCMR25-10-7-SS
PCMR25-10-7-SS
As low as
$99.80
$146.37
Ruland PCMR25-10-7-SS, 10mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
Download CAD File:
PCMR25-7-7-A
PCMR25-7-7-A
As low as
$40.03
$58.71
Ruland PCMR25-7-7-A, 7mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
Download CAD File:
PCMR25-7-7-SS
PCMR25-7-7-SS
As low as
$99.80
$146.37
Ruland PCMR25-7-7-SS, 7mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
Download CAD File:
PCMR25-8-7-A
PCMR25-8-7-A
As low as
$40.03
$58.71
Ruland PCMR25-8-7-A, 8mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
Download CAD File:
PCMR25-8-7-SS
PCMR25-8-7-SS
As low as
$99.80
$146.37
Ruland PCMR25-8-7-SS, 8mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
Download CAD File:
PCMR25-9-7-A
PCMR25-9-7-A
As low as
$40.03
$58.71
Ruland PCMR25-9-7-A, 9mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
Download CAD File:
PCMR25-9-7-SS
PCMR25-9-7-SS
As low as
$99.80
$146.37
Ruland PCMR25-9-7-SS, 9mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
PCMR13-4-4-A
4 mm
4 mm
19.1 mm
Aluminum
12.7 mm
6,000 RPM
PCMR13-4-4-SS
4 mm
4 mm
19.1 mm
303 Stainless Steel
12.7 mm
6,000 RPM
PCMR16-4-4-A
4 mm
4 mm
20.3 mm
Aluminum
15.9 mm
6,000 RPM
PCMR16-4-4-SS
4 mm
4 mm
20.3 mm
303 Stainless Steel
15.9 mm
6,000 RPM
PCMR16-5-4-A
5 mm
4 mm
20.3 mm
Aluminum
15.9 mm
6,000 RPM
PCMR16-5-4-SS
5 mm
4 mm
20.3 mm
303 Stainless Steel
15.9 mm
6,000 RPM
PCMR19-4-4-A
4 mm
4 mm
22.9 mm
Aluminum
19.1 mm
6,000 RPM
PCMR19-4-4-SS
4 mm
4 mm
22.9 mm
303 Stainless Steel
19.1 mm
6,000 RPM
PCMR19-5-4-A
5 mm
4 mm
22.9 mm
Aluminum
19.1 mm
6,000 RPM
PCMR19-5-4-SS
5 mm
4 mm
22.9 mm
303 Stainless Steel
19.1 mm
6,000 RPM
PCMR19-6-4-A
6 mm
4 mm
22.9 mm
Aluminum
19.1 mm
6,000 RPM
PCMR19-6-4-SS
6 mm
4 mm
22.9 mm
303 Stainless Steel
19.1 mm
6,000 RPM
PCMR22-7-7-A
7 mm
7 mm
27.0 mm
Aluminum
22.2 mm
6,000 RPM
PCMR22-7-7-SS
7 mm
7 mm
27.0 mm
303 Stainless Steel
22.2 mm
6,000 RPM
PCMR22-8-7-A
8 mm
7 mm
27.0 mm
Aluminum
22.2 mm
6,000 RPM
PCMR22-8-7-SS
8 mm
7 mm
27.0 mm
303 Stainless Steel
22.2 mm
6,000 RPM
PCMR25-10-7-A
10 mm
7 mm
31.8 mm
Aluminum
25.4 mm
6,000 RPM
PCMR25-10-7-SS
10 mm
7 mm
31.8 mm
303 Stainless Steel
25.4 mm
6,000 RPM
PCMR25-7-7-A
7 mm
7 mm
31.8 mm
Aluminum
25.4 mm
6,000 RPM
PCMR25-7-7-SS
7 mm
7 mm
31.8 mm
303 Stainless Steel
25.4 mm
6,000 RPM
PCMR25-8-7-A
8 mm
7 mm
31.8 mm
Aluminum
25.4 mm
6,000 RPM
PCMR25-8-7-SS
8 mm
7 mm
31.8 mm
303 Stainless Steel
25.4 mm
6,000 RPM
PCMR25-9-7-A
9 mm
7 mm
31.8 mm
Aluminum
25.4 mm
6,000 RPM
PCMR25-9-7-SS
9 mm
7 mm
31.8 mm
303 Stainless Steel
25.4 mm
6,000 RPM
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Small Bore (B2)
7 mm
Small Bore (B2)
4 mm
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