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Designation
Keyless locking coupling
style
C
Main material
steel
D1=Shaft diameter
75
D2=Flange diameter
81
D=internal diameter
45
200 K min. mm
121
250 K min. mm
113
280 K min. mm
109
320 K min. mm
105
400 K min. mm
100
B
55
Elasticity limit Re (N/mm²) of the hub material K min mm 200 / 250 / 280 / 320 / 400
121 / 113 / 109 / 105 / 100
L1
30
L2
36
L3
47
Max. axial force F kN with tightening torque MS
61
Max. torque M Nm with tightening torque MS
1360
No. of screws
6 x M8
Surface pressure on hub P N/mm²
70
Surface pressure on shaft P N/mm²
120
Tightening torque MS Nm
41
X min. mm
40
~ 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
These keyless locking couplings are universally applicable.

- for shaft diameters from 19 to 85 mm
- for medium to high torques
- suitable for hubs with low wall thickness
- no axial offset
- self-centering
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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