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Flexible Beam Couplings Shaft Collar in Shell
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FSR Flexible Beam Coupling - Stainless Steel

Stainless Steel Set Screw Flexible Beam Coupling

Features

  • Zero-backlash
  • Torsionally rigid with dampening
  • Maximum Speed: 6,000 RPM
  • Temperature Range: -40°F to 350°F



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How to Order

Choose any Bore 1 and any Bore 2 available in a body size. Part numbers are in the following format with numbers representing sixteenths of an inch:

order bc
P-Series Aluminum Four Beam Couplings
P-Series Stainless Steel Four Beam Couplings
F-Series Aluminum Six Beam Couplings
F-Series Stainless Steel Six Beam Couplings
M-Series Four Beam Couplings
 

  3D CAD files coming soon*
Part
Number		 Bore B1
(in)		 Bore B2
(in)		 Outer
Diam.
OD (in)		 Clearance
Diam.
C (IN)		 Length
L (in)		 Set
Screw		 Shaft
Penetration
(in)		 Static
Torque
(lb-in)		 Torsional
Stiffness
(Deg/lb-in)		 MISALIGNMENT
Moment of Inertia
(lb-in²)		 Angular Parallel (in) Axial Motion (in)
FSR10
3 (.1875)
4 (.2500)
3 (.1875)
4 (.2500)
0.625 0.796 1.000 M4 0.472
18
18
0.088
0.088
0.0037 3° 0.008 0.005
FSR12
3 (.1875)
4 (.2500)
5 (.3125)
3 (.1875)
4 (.2500)
5 (.3125)
0.750 0.879 1.250 M4 0.593
41
41
31
0.079
0.079
0.096
0.0100 3° 0.008 0.005
FSR16
4 (.2500)
5 (.3125)
6 (.3750)
4 (.2500)
5 (.3125)
6 (.3750)
1.000 1.117 1.500 M5 0.704
53
50
50
0.034
0.046
0.046
0.0381 3° 0.015 0.010
FSR20
5 (.3125)
6 (.3750)
8 (.5000)
5 (.3125)
6 (.3750)
8 (.5000)
1.250 1.459 1.750 M6 0.820
142
129
107
0.017
0.023
0.037
0.1094 3° 0.015 0.010
FSR24
6 (.3750)
8 (.5000)
10 (.6250)
12 (.7500)
6 (.3750)
8 (.5000)
10 (.6250)
12 (.7500)
1.500 1.642 2.250 M6 1.042
208
190
175
145
0.016
0.021
0.031
0.045
0.2814 3° 0.030 0.015


Note 1 Static torque ratings are at maximum misalignment. To obtain dynamic rating, static ratings should be divided by 2 for non-reversing applications and by 4 for reversing applications.
Note 2 Hardware is alloy steel with black oxide finish. Stainless steel hardware is available upon request. Parts FSR10 and FSR12 have one set screw on each end. Parts FSR16, FSR20, and FSR24 have two set screws on each end 120° apart.
Note 3 Performance ratings are for guidance only. The user must determine suitability for a particular application.
Note 4 Coupling torque and torsional stiffness are determined by the largest bore selected.
Note 5 Shafts may penetrate up to 0.5 x L. Be certain shafts do not touch.

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