000.4 - 3 - K 20
GN 000.4 Coupling Attachments
Steel, for Safety Handwheels, with Friction Bearings
Eta: 1-2 weeks All sizes and variants of GN 000.4
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Technical datasheet
Technical data
- Catalogue
- GN 000.4-3-K20
Nominal size- 3
- d1 Ø Handwheel
GN 321
GN 322
GN 323 - 200
- d2 H7 Bore with keyway
- K 20
- d3
- 38
- d4 max.
- 26
- d5 Minimum-Ø
of handwheel hub - 39
- d6 -0.03 Bore Ø of handwheel hub H7
- 35
- l1
- 36.5
- l2 ±0.1 Length of handwheel hub
- 24
- l3
- 6
- t
- 36
- w min.
- 4
- 190
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.