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Electrodeposited Nickel Bellows Couplings with Clamp Style Fixings

Dimensions and Order Codes
Coupling Size Coupling Ref No. of Convolutions Outside Diameter Overall Length
L		 Max Shaft Depth
L1		 ØC max Moment of inertia (1) Mass Fasteners
Screw Torque (2) Wrench
       mm mm mm mm kgm2 x 10-8 kg x 10-3   Nm mm
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17 323.17 14 16.3 29 6 6.35 46.6 11 M2 0.35 1.5
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25 323.25 10 25 37 9 12.7 245 28.5 M2.5 0.66 1.3
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36 323.36 7 36.3 45.9 11.8 19.05 2960 85 M4 2.62 3
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50 323.50 11 51 61.9 11.8 20 3560 105 M4 2.62 3
Table Notes:
  1. Values apply with max bores.
  2. Maximum recommended tightening torque.

Materials & Finishes

Hubs:
Aluminium alloy
Bellows:
Electrodeposited nickel

Temperature Range
-50°C to +120°C

Performance
Coupling Size Ref. Peak torque (3) Wind Up Max compensation Flexural stiffness
Angular (4) Radial (4) Axial (4) Torsional (5) Angular Radial Axial
     Nm Arcs/Ncm deg mm mm Nm/rad N/deg N/mm N/mm
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17 323.17 0.50 20 10 0.43 1.78 - - - -
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25 323.25 3.28 4 8 0.46 2.07 - - - -
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36 323.36 9.18 1.2 6 0.46 3.28 - - - -
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Request a quoteView available boresdownloads
50 323.50 16.24 0.6 8 1.12 6.1 - - - -
Table Notes:
  1. Peak torque. Select a size where Peak Torque exceeds the application torque x service factor.
  2. Max. compensation values are mutually exclusive.
  3. Torsional stiffness values apply at 50% peak torque with no misalignment, measured shaft-to-shaft with largest standard bores. Note that in some vendors' catalogues the given torsional stiffness applies to the un-mounted bellows element only, an unrepresentative calculated value.