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670.76

Item number:

Description:

Thin pressed steel membranes act as the pivotal members in these couplings. Torque is resolved to simple tensile stresses in opposing segments of the membranes. These couplings have near-infinite life and a dynamically balanced construction which makes them suitable for applications requiring high rotational speed and high-level motion integrity e.g. machine tools, robots, centrifuges, turbines, dynamometers. This style is designed for greater radial misalignment and lower bearing loads.

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Technical Specifications

Coupling Type
Disc Coupling - Flex-M
Configuration
With Spacer - Bolted
Size
76
Material
Aluminium
Max Bore B1 (in)
1.496
Max Bore B1 (mm)
38
Min Bore B1 (in)
0.625
Min Bore B1 (mm)
15.875
Max Bore B2 (in)
1.496
Max Bore B2 (mm)
38
Min Bore B2 (in)
0.625
Min Bore B2 (mm)
15.875
Angular Compensation, Max (degrees)
1
Angular Stiffness (lbf/degree)
30.12
Angular Stiffness (N/degree)
134
Axial Compensation, Max (in)
+/- 0.008
Axial Compensation, Max (mm)
+/- 0.2
Axial Stiffness (lbf/in)
< 51
Axial Stiffness (N/mm)
< 9
Bore Tolerance (in)
+0.0012 / -0.0000
Bore Tolerance (mm)
+0.03 / -0.00
Fastener Screw Size
M8
Fastener Screw Torque (lb-in)
354
Fastener Screw Torque (Nm)
40
Fastener Wrench Size (mm)
6
Max Speed (rpm)
5000
Operating Temperature (°C)
-40 to +120
Operating Temperature (°F)
-40 to +248
Peak Torque (lb-in)
885
Peak Torque (Nm)
100
Radial Compensation, Max (in)
0.016
Radial Compensation, Max (mm)
0.4
Radial Stiffness (lbf/in)
628
Radial Stiffness (N/mm)
110
Resists Axial Load
Yes
Shaft Connection
Clamp
Torsional Stiffness (lb-in/rad)
274400
Torsional Stiffness (Nm/rad)
31000
Mass (Weight) (g)
804
Mass (Weight) (lbs)
1.8
[B3] Clearance Bore (in)
1.54
[B3] Clearance Bore (mm)
39
[D] Outside Diameter (in)
2.99
[D] Outside Diameter (mm)
76
L1 Dimension (in)
1.5
L1 Dimension (mm)
38
[L] Length (in)
4.98
[L] Length (mm)
126.4
[L] Overall Length (in)
4.98
[L] Overall Length (mm)
126.4
Item Note
Coupling load capacity depends on the operating load cycle. Refer to catalog for further sizing information.
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