000.4 - 1 - K 12
GN 000.4 Koppelhulpstukken
voor veiligheidshandwielen, met glijlager
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Technische fiche
Technische gegevens
- Code
- GN 000.4-1-K12
Nominal size- 1
- d1 Ø Handwheel
GN 321
GN 322
GN 323 - 125 140
- d2 H7 Bore with keyway
- K 12
- d3
- 28
- d4 max.
- 17
- d5 Minimum-Ø
of handwheel hub - 29
- d6 -0.03 Bore Ø of handwheel hub H7
- 25
- l1
- 28.5
- l2 ±0.1 Length of handwheel hub
- 18 19
- l3
- 5
- t
- 26
- w min.
- 4
- 81
Steel
- Nitrided
- Bearing surface ground resp. PTFE coated
The PTFE coated surfaces of the coupling attachments GN 000.4 provide minimal friction between bearing surfaces even when lubrication is being neglected.
An oil hole is provided which in the completely assembled safety handwheel connects with the handwheel hub.
The coupling attachment is axially secured in the handwheel hub by a clamp nut.