HBK Z30A Mounting Instructions page 15

Fig. 7.2 Example diagram of installation with knuckle eye
3. Shaft surface quality and hardness
The recommended surface roughness is ≤ 10 μm.
The shaft must have a minimum hardness of 50 HRC.
Z30A
MECHANICAL INSTALLATION
Customer's construction
Customer's shaft holder
Shaft
Recommended play,
see Tab. 7.3, page 12
Threaded connector for mounting
on force transducers
13