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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:
FSR20-13MM-1/2\"-A
FSR20-13MM-1/2"-A
As low as
$55.11
$80.83
Ruland FSR20-13MM-1/2"-A, 13mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.250" (31.8mm) OD, 1.750" (44.5mm) Length
Download CAD File:
FSR20-13MM-1/2\"-SS
FSR20-13MM-1/2"-SS
As low as
$153.64
$225.34
Ruland FSR20-13MM-1/2"-SS, 13mm x 1/2" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.250" (31.8mm) OD, 1.750" (44.5mm) Length
Download CAD File:
FSR20-14MM-1/2\"-A
FSR20-14MM-1/2"-A
As low as
$55.11
$80.83
Ruland FSR20-14MM-1/2"-A, 14mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.250" (31.8mm) OD, 1.750" (44.5mm) Length
Download CAD File:
FSR20-14MM-1/2\"-SS
FSR20-14MM-1/2"-SS
As low as
$153.64
$225.34
Ruland FSR20-14MM-1/2"-SS, 14mm x 1/2" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.250" (31.8mm) OD, 1.750" (44.5mm) Length
Download CAD File:
FSR20-15MM-1/2\"-A
FSR20-15MM-1/2"-A
As low as
$55.11
$80.83
Ruland FSR20-15MM-1/2"-A, 15mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.250" (31.8mm) OD, 1.750" (44.5mm) Length
Download CAD File:
FSR20-15MM-1/2\"-SS
FSR20-15MM-1/2"-SS
As low as
$153.64
$225.34
Ruland FSR20-15MM-1/2"-SS, 15mm x 1/2" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.250" (31.8mm) OD, 1.750" (44.5mm) Length
Download CAD File:
FSR24-13MM-1/2\"-A
FSR24-13MM-1/2"-A
As low as
$70.52
$103.42
Ruland FSR24-13MM-1/2"-A, 13mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-13MM-1/2\"-SS
FSR24-13MM-1/2"-SS
As low as
$203.03
$297.77
Ruland FSR24-13MM-1/2"-SS, 13mm x 1/2" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-14MM-1/2\"-A
FSR24-14MM-1/2"-A
As low as
$70.52
$103.42
Ruland FSR24-14MM-1/2"-A, 14mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-14MM-1/2\"-SS
FSR24-14MM-1/2"-SS
As low as
$203.03
$297.77
Ruland FSR24-14MM-1/2"-SS, 14mm x 1/2" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-15MM-1/2\"-A
FSR24-15MM-1/2"-A
As low as
$70.52
$103.42
Ruland FSR24-15MM-1/2"-A, 15mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-15MM-1/2\"-SS
FSR24-15MM-1/2"-SS
As low as
$203.03
$297.77
Ruland FSR24-15MM-1/2"-SS, 15mm x 1/2" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-16MM-1/2\"-A
FSR24-16MM-1/2"-A
As low as
$70.52
$103.42
Ruland FSR24-16MM-1/2"-A, 16mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-16MM-1/2\"-SS
FSR24-16MM-1/2"-SS
As low as
$203.03
$297.77
Ruland FSR24-16MM-1/2"-SS, 16mm x 1/2" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-17MM-1/2\"-A
FSR24-17MM-1/2"-A
As low as
$70.52
$103.42
Ruland FSR24-17MM-1/2"-A, 17mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-17MM-1/2\"-SS
FSR24-17MM-1/2"-SS
As low as
$203.03
$297.77
Ruland FSR24-17MM-1/2"-SS, 17mm x 1/2" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-18MM-1/2\"-A
FSR24-18MM-1/2"-A
As low as
$70.52
$103.42
Ruland FSR24-18MM-1/2"-A, 18mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-18MM-1/2\"-SS
FSR24-18MM-1/2"-SS
As low as
$203.03
$297.77
Ruland FSR24-18MM-1/2"-SS, 18mm x 1/2" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-19MM-1/2\"-A
FSR24-19MM-1/2"-A
As low as
$70.52
$103.42
Ruland FSR24-19MM-1/2"-A, 19mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-19MM-1/2\"-SS
FSR24-19MM-1/2"-SS
As low as
$203.03
$297.77
Ruland FSR24-19MM-1/2"-SS, 19mm x 1/2" Six Beam Coupling, Stainless Steel, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-20MM-1/2\"-A
FSR24-20MM-1/2"-A
As low as
$70.52
$103.42
Ruland FSR24-20MM-1/2"-A, 20mm x 1/2" Six Beam Coupling, Aluminum, Set Screw Style, 1.500" (38.1mm) OD, 2.250" (57.2mm) Length
Download CAD File:
FSR24-20MM-1/2\"-SS
FSR24-20MM-1/2"-SS
As low as
$203.03
$297.77
Ruland FSR24-20MM-1/2"-SS, 20mm x 1/2" 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
FSR20-13MM-1/2"-A
13 mm
0.5000 in
1.750 in (44.5 mm)
Aluminum
1.250 in (31.8 mm)
6,000 RPM
FSR20-13MM-1/2"-SS
13 mm
0.5000 in
1.750 in (44.5 mm)
303 Stainless Steel
1.250 in (31.8 mm)
6,000 RPM
FSR20-14MM-1/2"-A
14 mm
0.5000 in
1.750 in (44.5 mm)
Aluminum
1.250 in (31.8 mm)
6,000 RPM
FSR20-14MM-1/2"-SS
14 mm
0.5000 in
1.750 in (44.5 mm)
303 Stainless Steel
1.250 in (31.8 mm)
6,000 RPM
FSR20-15MM-1/2"-A
15 mm
0.5000 in
1.750 in (44.5 mm)
Aluminum
1.250 in (31.8 mm)
6,000 RPM
FSR20-15MM-1/2"-SS
15 mm
0.5000 in
1.750 in (44.5 mm)
303 Stainless Steel
1.250 in (31.8 mm)
6,000 RPM
FSR24-13MM-1/2"-A
13 mm
0.5000 in
2.250 in (57.2 mm)
Aluminum
1.500 in (38.1 mm)
6,000 RPM
FSR24-13MM-1/2"-SS
13 mm
0.5000 in
2.250 in (57.2 mm)
303 Stainless Steel
1.500 in (38.1 mm)
6,000 RPM
FSR24-14MM-1/2"-A
14 mm
0.5000 in
2.250 in (57.2 mm)
Aluminum
1.500 in (38.1 mm)
6,000 RPM
FSR24-14MM-1/2"-SS
14 mm
0.5000 in
2.250 in (57.2 mm)
303 Stainless Steel
1.500 in (38.1 mm)
6,000 RPM
FSR24-15MM-1/2"-A
15 mm
0.5000 in
2.250 in (57.2 mm)
Aluminum
1.500 in (38.1 mm)
6,000 RPM
FSR24-15MM-1/2"-SS
15 mm
0.5000 in
2.250 in (57.2 mm)
303 Stainless Steel
1.500 in (38.1 mm)
6,000 RPM
FSR24-16MM-1/2"-A
16 mm
0.5000 in
2.250 in (57.2 mm)
Aluminum
1.500 in (38.1 mm)
6,000 RPM
FSR24-16MM-1/2"-SS
16 mm
0.5000 in
2.250 in (57.2 mm)
303 Stainless Steel
1.500 in (38.1 mm)
6,000 RPM
FSR24-17MM-1/2"-A
17 mm
0.5000 in
2.250 in (57.2 mm)
Aluminum
1.500 in (38.1 mm)
6,000 RPM
FSR24-17MM-1/2"-SS
17 mm
0.5000 in
2.250 in (57.2 mm)
303 Stainless Steel
1.500 in (38.1 mm)
6,000 RPM
FSR24-18MM-1/2"-A
18 mm
0.5000 in
2.250 in (57.2 mm)
Aluminum
1.500 in (38.1 mm)
6,000 RPM
FSR24-18MM-1/2"-SS
18 mm
0.5000 in
2.250 in (57.2 mm)
303 Stainless Steel
1.500 in (38.1 mm)
6,000 RPM
FSR24-19MM-1/2"-A
19 mm
0.5000 in
2.250 in (57.2 mm)
Aluminum
1.500 in (38.1 mm)
6,000 RPM
FSR24-19MM-1/2"-SS
19 mm
0.5000 in
2.250 in (57.2 mm)
303 Stainless Steel
1.500 in (38.1 mm)
6,000 RPM
FSR24-20MM-1/2"-A
20 mm
0.5000 in
2.250 in (57.2 mm)
Aluminum
1.500 in (38.1 mm)
6,000 RPM
FSR24-20MM-1/2"-SS
20 mm
0.5000 in
2.250 in (57.2 mm)
303 Stainless Steel
1.500 in (38.1 mm)
6,000 RPM
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