Keyless locking coupling steel 23351-3055
- For high torques
- For shaft diameter from 19 to 85 mm
- Recessed mounting possible
- Self-centring
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kr175.89
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Designation
Keyless locking coupling
Form
B
Main
material
steel
D1=Shaft diameter
55
D=internal diameter
30
200 K min. mm
93
250 K min. mm
87
280 K min. mm
84
320 K min. mm
81
400 K min. mm
77
B
45
Elasticity limit Re (N/mm²)
of the hub material K min mm
200 / 250 / 280 / 320 / 400
93 / 87 / 84 / 81 / 77
L1
26
L2
31
L3
39
Max. axial force F kN
with
tightening torque MS
56
Max. torque M Nm
with
tightening torque MS
830
No. of
screws
6 x M6
Surface pressure
on hub P
N/mm²
105
Surface pressure
on shaft P
N/mm²
190
Tightening torque
MS
Nm
17
UNSPSC Code
23153102
X
min. mm
35
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
not yet identified
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes
Description
Material
Steel.
Version
Bright.
Note
The keyless locking coupling can be fully recessed in a hub connection.
- for shaft diameters from 19 to 85 mm
- for high torques
- minimum axial offset possible
- self-centring
- for shaft diameters from 19 to 85 mm
- for high torques
- minimum axial offset possible
- 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.
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.
Recommended tolerance h8.
Surface quality Rz ≤ 16 µm.
Hub:
Recommended tolerance H8.
Surface quality Rz ≤ 16 µm.
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