Schmidt Control Flex®
Performance & Dimension Charts

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Dimensions & Performance Data of Control-Flex Coupling - Clamp Style

Control-Flex Torsional Stiffness Data
Part No. In./Lbs.
Degree		 In./Lbs.
Radian		 In./Oz.
Min.
C008P 2.3 130 .61
C208P 4.6 260 1.22
C011P 5.0 285 1.33
C211P 9.9 570 2.63
C016P 16.3 930 4.35
C216P 31.3 1790 8.33
C023P 55.0 3150 14.29
C223P 110.0 6300 29.41
C031P 75.0 4300 20.00
C231P 150.0 8600 40.00
Dimensions & Performance Data of Control-Flex Coupling - Single Disc
  Coupling Dimensions Coupling Maximum Performance Maximum Shaft
Misalignments
Part No. Cpl. Diam. (Inch) D2 Coupling Length (Inch)
L		 Hub Length (Inch) L1 Max. Bore (Inch) Disc Inside Diam. (Inch) D4 Disc Length (Inch) L2 Net Weight (lb.) Inertia Wk2 (lb-in2) Max. Peak Torque (in.lb.) Max. Cont. Running Torque (in.lb.) Torsional
Stiffness		 Par. (Inch) Ang. (Deg.) Axial (Inch)
In.lbs. per Degree In.lbs. per Radian In.Oz. per Min.
C008P .735* .625 .219 .375* .281 .187 .020 .0014 6 4 2.3 130 .61 .013 1.5 .010
C011P .985 1.00 .375 .500 .375 .250 .057 .0075 13 9 5.0 285 1.33 .019 1.5 .014
C016P 1.485 1.125 .375 .625 .562 .375 .135 .038 45 31 16.3 930 4.35 .028 1.5 .021
C023P 2.250 1.687 .563 1.063 .844 .562 .450 .291 152 106 55.0 3150 14.29 .041 1.5 .031
C031P 3.000 2.250 .750 1.500 1.125 .750 1.060 1.220 361 250 75.0 4300 20.00 .055 1.5 .042
*Coupling diameter Will be 0.812" for bores over 0.316".
1) Maximum speed rating applicable at 50% or less continuous torque rating.
2) As speeds approach the maximum speed rating, some applications may require dynamically balanced couplings.

Dimensions & Performance Data of Control-Flex Coupling - Double Disc
  Coupling Dimensions Coupling Maximum Performance Maximum Shaft
Misalignments
Part No. Cpl. Diam. (Inch) D2 Coupling Length (Inch)
L		 Hub Length (Inch) L1 Max. Bore (Inch) Disc Inside Diam. (Inch) D4 Disc Length (Inch) L2 Net Weight (Lb.) Inertia Wk2 (lb.-in2) Max. Peak Torque (in.lb.) Max. Cont. Running Torque (in.lb) Torsional Stiffness Par. (Inch) Ang. (Deg.) Axial (Inch)
In.Lbs. per Degree In.Lbs. per Radian In.Oz. per Min.
C208P .735* .782 .219 .375* .281 .344 .021 .0014 10 7 4.6 260 1.22 .009 1 .007
C211P .985 1.208 .375 .500 .375 .458 .060 .0077 24 17 9.9 570 2.63 .012 1 .009
C216P 1.485 1.438 .375 .625 .562 .688 .145 .039 81 57 31.3 1790 8.33 .019 1 .014
C223P 2.250 2.157 .563 1.063 .844 1.031 .483 .298 274 192 110.0 6300 29.41 .027 1 .020
C231P 3.000 2.875 .750 1.500 1.125 1.375 1.140 1.250 650 435 150.0 8600 40.00 .037 1 .028
*Coupling diameter Will be 0.812" for bores over 0.316".
1) Maximum speed rating applicable at 50% or less continuous torque rating.
2) As speeds approach the maximum speed rating, some applications may require dynamically balanced couplings.
Standard Bore and Keyway Dimensions
for Control-Flex Coupling Clamp Style Hubs
Bore Size Keyway Bore Size Keyway
0.312-0.437 None 1.813-2.250 1/2 x 1/4
0.500-0.562 1/8 x 1/16 2.312-2.750 5/8 x 5/16
0.625-0.875 3/16 x 3/32 2.813-3.250 3/4 x 3/8
0.937-1.250 1/4 x 1/8 3.312-3.750

7/8 x 7/16

1.312-1.375 5/16 x 5/32 3.812-4.500 1 x 1/2
1.437-1.750 3/8 x 3/16 4.562-5.500 1 1.4 x 7/16
    5.562-6.500 1 1/2 x 1/2

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Dimensions & Performance Data of Control-Flex Coupling - Bolted Style

Control-Flex Torsional Stiffness Data
Part No. In-Lbs/
Degree		 In-Lbs/
Radian		 In-Oz/
Min.
C030P 75.0 4300 20.00
C045P 261.0 14950 71.43
C060P 515.0 29500 142.86
C075P 1529.0 87600 400.00
Dimensions & Performance Data of Control-Flex Coupling - Bolted Style
  Coupling Dimensions Coupling Maximum Performance Maximum Shaft
Misalignments
Part No. Cpl.
Diam.
(inch)
D2		 Coupling
Length
(inch)
L		 Hub
Length
(inch)
L1		 Max.
Bore
 Disc
Inside
Diam.
(inch)
D4		 Disc
Length
(inch)
L2		 Net
Weight
(Lb.)		 Inertia
Wk2
(Lb-
In2)		 Max.
Peak
Torque
(In.Lb.)		 Max.
Cont.
Running
Torque
(In.Lb.)

Torsional Stiffness

Max
Speed
(RPM) 		Par.
(inch)		 Ang
(deg.)		 Axial
(inch)
(inch) (mm) In.Lbs.
Per
Degree		 In.Lbs.
Per
Radian
C030P 3.00 2.750 1.00 1.000 25 1.125 .750 .78 .345 361 250 75.0 4300 3200 .055 1.5 .042
C045P 4.50 4.125 1.50 1.500 40 1.687 1.125 2.63 2.62 1218 850 261.0 14950 2700 .083 1.5 .063
C060P 6.00 5.500 2.00 2.000 55 2.250 1.500 6.24 11.03 2887 2000 515.0 29500 2200 .111 1.5 .083

1) Maximum speed rating applicable at 50% or less continuous torque rating.
2) As speeds approach the maximum speed rating, some applications may require dynamically balanced couplings.

 

 

 

Standard Bore, Keyway and Setscrew Dimensions
for Control-Flex Bolted Style Coupling Hubs
Bore Size Bore Tolerance Keyway Cup Point Socket Head Set Screw Bore Size Bore Tolerance Keyway Cup Point Socket Head Set Screw
0.312-0.437 + 0.001
- 0.000		 None 1/4-20 x 3/8 1.813-2.250 + 0.0015
- 0.0000		 1/2 x 1/4 1/2-13 x 3/4
0.500-0.562 1/8 x 1/16 2.312-2.750 5/8 x 5/16
0.625-0.875 3/16 x 3/32 2.813-3.250 3/4 x 3/8
0.937-1.250 1/4 x 1/8 3/8-16 x 1/2 3.312-3.750

7/8 x 7/16

3/4-10 x 1
1.312-1.375 5/16 x 5/32 3.812-4.500 1 x 1/2
1.437-1.750 3/8 x 3/16 4.562-5.500 1 1.4 x 7/16
  5.562-6.500 1 1/2 x 1/2

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The right to make engineering refinements on all products is reserved.
Dimensions and other details subject to change.
When dimensions are critical, detailed drawings should be obtained from the factory.

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