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Designation
Metal bellows coupling
Version 1
with radial clamping hub
Main material
aluminium
Component material
stainless steel
L=Length
112
A
42
C (ISO 4029)
M12
D1 (H7)
42
D1/D2 max. by keyway
70
D1/D2 max.
70
D1/D2 min.
25
D2 (H7)
42
D4
122
L2
15
L3
42
Moment of inertia (gm²)
6,4
Nominal torque Nm
500
R
122
Size
500
Spring stiffness axial N/mm
100
Spring stiffness radial (N/mm)
7790
Tightening torque of screws Nm
145
Torsional stiffness (10³ Nm/rad)
690
max. rpm
5000
max. angular offset (°)
1,5
max. shaft offset axial (mm)
0,5
max. shaft offset radial (mm)
0,2
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
nickel (metallic)
~ PFAS free?
not yet identified
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Description

Material
Hub aluminium.
Bellows stainless steel.
Version
Bright.
Note
Metal bellows coupling with high torsional rigidity. The metal bellows compensates for axial, radial and angular shaft misalignment with low restoring forces. With clamping hubs for fastening to shafts.

They are primarily used when precise position and motion transmission is required, e.g. servo motors in machine tools, packaging machines, woodworking machines and in automation technology.
Temperature range
-30 °C to +120 °C.
Assembly
The metal bellows coupling hubs have an H7 tolerance. The recommended clearance tolerance is 0.02 - 0.05 mm. This tolerance and lubricating the shaft journals aid assembly and removal.

The metal bellows may be deformed max. 3 times over the permissible deflection values specified in the catalogue during assembly and removal. Avoid any use of force.
On request
Desired hub holes D1 and D2 separately with tolerance class or tolerance zone.
Keyway acc. to DIN 6885. Please observe largest possible bore by keyway.
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