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Flexible Beam Couplings Shaft Collar in Shell
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FSMR Metric Beam Coupling - Aluminum

Metric Aluminum Set Screw Flexible Beam Coupling

Features

  • Torsionally stiff with dampening
  • Aluminum for low inertia
  • Multiple beams cut improve parallel misalignment capabilities
  • Zero backlash
  • Bore tolerance: +.025mm/–.000mm
  • Maximum speed: 6,000 RPM
  • Temperature range: -40°F to 225°F

 

How to Specify

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

order bc

Inch to Metric Bore Combinations

  • Beam couplings with inch to metric bore combinations are available by request
  • For help on inch to metric bore combinations please email


 
Flexible Beam Coupling
F-Series
Six Beam Coupling
P-Series
Four Beam Coupling
MW-Series:
Full Metric Dimensions
Coupling Support Form
Product Index
 
 
  Click Right Arrow to expand table | Click part number for 3D CAD file and pricing
Part
Number		 Bore
B1 (mm)		 Bore
B2 (mm)		 Outer
Diameter
OD (mm)		 Length
L (mm)		 Shaft
Penetration
(mm)		 Set
Screw		 Static
Torque
(Nm)		 Torsional
Stiffness
(Deg/Nm)		 Moment
of Inertia
x10-6 kg-m2		 MISALIGNMENT
Angular Parallel (mm) Axial Motion (mm)
FSMR16 5mm to 6mm 15.9 25.4 12.00 M4 1.47 3.21 0.38
3° 0.20 0.13
FSMR16-5-5-A 5 5 15.9 25.4 12.00 M4 1.47 3.21 0.38
3° 0.20 0.13
FSMR16-6-5-A 6 5 1.47 3.21
FSMR16-6-6-A 6 6 1.47 3.21
FSMR19 5mm to 8mm 19.1 31.8 15.06 M4 ≤ 4.64 ≤ 0.85 1.04
3° 0.20 0.13
FSMR19-5-5-A 5 5 19.1 31.8 15.06 M4 2.94 1.33 1.04
3° 0.20 0.13
FSMR19-6-5-A 6 5 2.94 1.33
FSMR19-6-6-A 6 6 2.94 1.33
FSMR19-8-5-A 8 5 2.26 2.04
FSMR19-8-6-A 8 6 2.26 2.04
FSMR19-8-8-A 8 8 2.26 2.04
FSMR25 6mm to 12mm 25.4 38.1 17.87 M5 ≤ 6.00 ≤ 0.74 4.12
3° 0.38 0.25
FSMR25-6-6-A 6 6 25.4 38.1 17.87 M5 3.95 0.55 4.12
3° 0.38 0.25
FSMR25-8-6-A 8 6 3.73 0.86
FSMR25-8-8-A 8 8 3.73 0.86
FSMR25-10-6-A 10 6 3.73 0.86
FSMR25-10-8-A 10 8 3.73 0.86
FSMR25-10-10-A 10 10 3.73 0.86
FSMR25-12-6-A 12 6 2.82 1.57
FSMR25-12-8-A 12 8 2.82 1.57
FSMR25-12-10-A 12 10 2.82 1.57
FSMR25-12-12-A 12 12 2.82 1.57
FSMR32 8mm to 15mm 31.8 44.5 20.82 M6 ≤ 16.08 ≤ 0.33 11.89
3° 0.38 0.25
FSMR32-8-8-A 8 8 31.8 44.5 20.82 M6 7.91 0.31 11.89
3° 0.38 0.25
FSMR32-10-8-A 10 8 6.89 0.39
FSMR32-10-10-A 10 10 6.89 0.39
FSMR32-12-8-A 12 8 5.65 0.63
FSMR32-12-10-A 12 10 5.65 0.63
FSMR32-12-12-A 12 12 5.65 0.63
FSMR32-14-8-A 14 8 5.08 0.71
FSMR32-14-10-A 14 10 5.08 0.71
FSMR32-14-12-A 14 12 5.08 0.71
FSMR32-14-14-A 14 14 5.08 0.71
FSMR32-15-8-A 15 8 4.86 0.86
FSMR32-15-10-A 15 10 4.86 0.86
FSMR32-15-12-A 15 12 4.86 0.86
FSMR32-15-14-A 15 14 4.86 0.86
FSMR32-15-15-A 15 15 4.86 0.86
FSMR38 10mm to 20mm 38.1 57.2 26.47 M6 ≤ 23.53 ≤ 0.27 30.03
3° 0.76 0.38
FSMR38-10-10-A 10 10 38.1 57.2 26.47 M6 13.56 0.16 30.03
3° 0.76 0.38
FSMR38-12-10-A 12 10 12.43 0.24
FSMR38-12-12-A 12 12 12.43 0.24
FSMR38-14-10-A 14 10 12.43 0.24
FSMR38-14-12-A 14 12 12.43 0.24
FSMR38-14-14-A 14 14 12.43 0.24
FSMR38-15-10-A 15 10 10.73 0.39
FSMR38-15-12-A 15 12 10.73 0.39
FSMR38-15-14-A 15 14 10.73 0.39
FSMR38-15-15-A 15 15 10.73 0.39
FSMR38-16-10-A 16 10 10.73 0.39
FSMR38-16-12-A 16 12 10.73 0.39
FSMR38-16-14-A 16 14 10.73 0.39
FSMR38-16-15-A 16 15 10.73 0.39
FSMR38-16-16-A 16 16 10.73 0.39
FSMR38-18-10-A 18 10 9.04 0.56
FSMR38-18-12-A 18 12 9.04 0.56
FSMR38-18-14-A 18 14 9.04 0.56
FSMR38-18-15-A 18 15 9.04 0.56
FSMR38-18-16-A 18 16 9.04 0.56
FSMR38-18-18-A 18 18 9.04 0.56
FSMR38-20-10-A 20 10 11.75 0.77
FSMR38-20-12-A 20 12 11.75 0.77
FSMR38-20-14-A 20 14 11.75 0.77
FSMR38-20-15-A 20 15 11.75 0.77
FSMR38-20-16-A 20 16 11.75 0.77
FSMR38-20-18-A 20 18 11.75 0.77
FSMR38-20-20-A 20 20 11.75 0.77

 

Note 1 Static torque 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. FSMR parts have two set screws on each end about 120° apart.
Note 3 Performance ratings are for guidance only. The user must determine suitability for a particular application.
Note 4 Coupling torque and wind-up are determined by the largest bore selected.
Note 5 Torque ratings for the couplings are based on the physical limitations/failure point of the machined beams. In some cases, especially when the smallest standard bores are used or where shafts are undersized, slippage on the shaft is possible below the rated torque of the machined beams. Keyways are available on straight bore couplings upon request. Please consult technical support for more assistance.

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