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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. 23350-6077
Designation
Keyless Locking Coupling
Form
A
Body material
steel
A1=200 k min. mm
137
A2=250 k min. mm
125
A3=280 k min. mm
120
A4=320 k min. mm
115
A5=400 k min. mm
108
D1=Shaft diameter
77
D2=Flange diameter
103
D=Internal diameter
60
F=Transmissible axial force kN
97
M=Transmissible torque NM
2920
Ms=Tightening torque NM
41
P=Surface pressure on hub
75
P=Surface pressure on shaft
95
Re=Yield point (N/mm²)
137 / 125 / 120 / 115 / 108
n=Number of clamping screws
10XM08
B
82
L1
50
L2
67
L3
74
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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