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  2. Systems and components for machine and plant construction
  3. 23000
  4. Clamping sets (shaft-hub)
  5. Keyless locking couplings Form A for thin walled hubs
    6. 23350-4559
Designation
Keyless Locking Coupling
Form
A
Body material
steel
A1=200 k min. mm
119
A2=250 k min. mm
108
A3=280 k min. mm
103
A4=320 k min. mm
97
A5=400 k min. mm
90
D1=Shaft diameter
59
D2=Flange diameter
85
D=Internal diameter
45
F=Transmissible axial force kN
78
M=Transmissible torque NM
1750
Ms=Tightening torque NM
41
P=Surface pressure on hub
100
P=Surface pressure on shaft
130
Re=Yield point (N/mm²)
119 / 108 / 103 / 97 / 90
n=Number of clamping screws
8XM08
B
72
L1
40
L2
57
L3
64
X min. mm
35

Description

Material
Steel.
Version
Bright.
Note
Particularly compact self-centring keyless locking coupling without axial offset.

- for shaft diameters from 8 to 85 mm
- for medium torques
- suitable for hubs with low wall thickness
- no axial offset
- self-centring
Assembly
Lightly oil keyless locking coupling on the tapered faces and contact points of the shaft and hub. Do not use MoS2 or grease. Insert keyless locking coupling in the hub seat and slide onto shaft. Tighten screws crosswise in several increments to the defined tightening torque.

Dismantling: Remove all screws and screw into the extraction threads of the front flange. Tighten screws crosswise in several steps until the keyless locking coupling loosens.
Tolerances
Shaft:
Recommended tolerance h8.
Surface quality Rz ≤ 16 µm.

Hub:
Recommended tolerance H8.
Surface quality Rz ≤ 16 µm.
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