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Beam Couplings: Six-Beam F-Series, Inch to Metric
Clamp style F-Series six beam couplings (also referred to as helical couplings) with inch to metric bores. Bore sizes from 0.188" to 3/4" and 5mm to 20mm.
Features Aluminum
Torsionally stiff with dampening
Lightweight for low inertia
Temperature range: -40°F to 225°F
Stainless Steel
High torque and torsional stiffness
Corrosion resistant
Temperature range: -40°F to 350°F
Zero backlash, Constant velocity
RoHS2 and REACH Compliant
Maximum speed: 6,000 RPM
Bore tolerance:
+.001 in / -.000 in
+.025mm/–.000mm
Temperature range: -40°F to 225°F
How to Specify Part numbers are in the following format with numbers representing sixteenths of an inch and millimeters:
Products
Download CAD File:
FCR10-1/4\"-5MM-A
FCR10-1/4"-5MM-A
As low as
$36.23
$53.13
Ruland FCR10-1/4"-5MM-A, 1/4" x 5mm Six Beam Coupling, Aluminum, Clamp Style, 0.625" (15.9mm) OD, 1.000" (25.4mm) Length
Download CAD File:
FCR10-1/4\"-5MM-SS
FCR10-1/4"-5MM-SS
As low as
$90.40
$132.58
Ruland FCR10-1/4"-5MM-SS, 1/4" x 5mm Six Beam Coupling, Stainless Steel, Clamp Style, 0.625" (15.9mm) OD, 1.000" (25.4mm) Length
Download CAD File:
FCR12-1/4\"-5MM-A
FCR12-1/4"-5MM-A
As low as
$37.80
$55.45
Ruland FCR12-1/4"-5MM-A, 1/4" x 5mm Six Beam Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FCR12-1/4\"-5MM-SS
FCR12-1/4"-5MM-SS
As low as
$89.00
$130.53
Ruland FCR12-1/4"-5MM-SS, 1/4" x 5mm Six Beam Coupling, Stainless Steel, Clamp Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FCR12-5/16\"-5MM-A
FCR12-5/16"-5MM-A
As low as
$37.80
$55.45
Ruland FCR12-5/16"-5MM-A, 5/16" x 5mm Six Beam Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FCR12-5/16\"-5MM-SS
FCR12-5/16"-5MM-SS
As low as
$89.00
$130.53
Ruland FCR12-5/16"-5MM-SS, 5/16" x 5mm Six Beam Coupling, Stainless Steel, Clamp Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FCR24-20MM-3/4\"-A
FCR24-20MM-3/4"-A
As low as
$81.86
$120.06
Ruland FCR24-20MM-3/4"-A, 20mm x 3/4" Six Beam Coupling, Aluminum, Clamp Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FCR24-20MM-3/4\"-SS
FCR24-20MM-3/4"-SS
As low as
$219.49
$321.92
Ruland FCR24-20MM-3/4"-SS, 20mm x 3/4" Six Beam Coupling, Stainless Steel, Clamp Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR10-1/4\"-5MM-A
FSR10-1/4"-5MM-A
As low as
$33.50
$49.13
Ruland FSR10-1/4"-5MM-A, 1/4" x 5mm Six Beam Coupling, Aluminum, Set Screw Style, 0.625" (15.9mm) OD, 1.000" (25.4mm) Length
Download CAD File:
FSR10-1/4\"-5MM-SS
FSR10-1/4"-5MM-SS
As low as
$83.82
$122.93
Ruland FSR10-1/4"-5MM-SS, 1/4" x 5mm Six Beam Coupling, Stainless Steel, Set Screw Style, 0.625" (15.9mm) OD, 1.000" (25.4mm) Length
Download CAD File:
FSR12-1/4\"-5MM-A
FSR12-1/4"-5MM-A
As low as
$31.66
$46.44
Ruland FSR12-1/4"-5MM-A, 1/4" x 5mm Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-1/4\"-5MM-SS
FSR12-1/4"-5MM-SS
As low as
$82.52
$121.03
Ruland FSR12-1/4"-5MM-SS, 1/4" x 5mm Six Beam Coupling, Stainless Steel, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-5/16\"-5MM-A
FSR12-5/16"-5MM-A
As low as
$31.66
$46.44
Ruland FSR12-5/16"-5MM-A, 5/16" x 5mm Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-5/16\"-5MM-SS
FSR12-5/16"-5MM-SS
As low as
$82.52
$121.03
Ruland FSR12-5/16"-5MM-SS, 5/16" x 5mm Six Beam Coupling, Stainless Steel, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR24-20MM-3/4\"-A
FSR24-20MM-3/4"-A
As low as
$70.52
$103.42
Ruland FSR24-20MM-3/4"-A, 20mm x 3/4" Six Beam Coupling, Aluminum, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-20MM-3/4\"-SS
FSR24-20MM-3/4"-SS
As low as
$203.03
$297.77
Ruland FSR24-20MM-3/4"-SS, 20mm x 3/4" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
FCR10-1/4"-5MM-A
0.2500 in
5 mm
1.000 in (25.4 mm)
Aluminum
0.625 in (15.9 mm)
6,000 RPM
FCR10-1/4"-5MM-SS
0.2500 in
5 mm
1.000 in (25.4 mm)
303 Stainless Steel
0.625 in (15.9 mm)
6,000 RPM
FCR12-1/4"-5MM-A
0.2500 in
5 mm
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FCR12-1/4"-5MM-SS
0.2500 in
5 mm
1.250 in (31.8 mm)
303 Stainless Steel
0.750 in (19.1 mm)
6,000 RPM
FCR12-5/16"-5MM-A
0.3125 in
5 mm
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FCR12-5/16"-5MM-SS
0.3125 in
5 mm
1.250 in (31.8 mm)
303 Stainless Steel
0.750 in (19.1 mm)
6,000 RPM
FCR24-20MM-3/4"-A
20 mm
0.7500 in
2.250 in (57.2 mm)
Aluminum
1.500 in (38.1 mm)
6,000 RPM
FCR24-20MM-3/4"-SS
20 mm
0.7500 in
2.250 in (57.2 mm)
303 Stainless Steel
1.500 in (38.1 mm)
6,000 RPM
FSR10-1/4"-5MM-A
0.2500 in
5 mm
1.000 in (25.4 mm)
Aluminum
0.625 in (15.9 mm)
6,000 RPM
FSR10-1/4"-5MM-SS
0.2500 in
5 mm
1.000 in (25.4 mm)
303 Stainless Steel
0.625 in (15.9 mm)
6,000 RPM
FSR12-1/4"-5MM-A
0.2500 in
5 mm
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-1/4"-5MM-SS
0.2500 in
5 mm
1.250 in (31.8 mm)
303 Stainless Steel
0.750 in (19.1 mm)
6,000 RPM
FSR12-5/16"-5MM-A
0.3125 in
5 mm
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-5/16"-5MM-SS
0.3125 in
5 mm
1.250 in (31.8 mm)
303 Stainless Steel
0.750 in (19.1 mm)
6,000 RPM
FSR24-20MM-3/4"-A
20 mm
0.7500 in
2.250 in (57.2 mm)
Aluminum
1.500 in (38.1 mm)
6,000 RPM
FSR24-20MM-3/4"-SS
20 mm
0.7500 in
2.250 in (57.2 mm)
303 Stainless Steel
1.500 in (38.1 mm)
6,000 RPM
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Small Bore (B2)
0.7500 in
Small Bore (B2)
5 mm
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