GN 321
Solid handwheels with revolving handle
?Cast aluminium.
?Turned and mirror polished rim. The other surfaces are matte finish
fine sandblasted.
?Hub with:
B = standard H7 tolerance plain bore
K = standard H7 tolerance reamed bore with DIN 6885/1 P9 keyway
(see table on page 669).
?Axial retaining washer (on request) type GN 184 (page 452).
?Axial and radial runout lower than IT 12.
?Black phenolic-based (PF) Duroplast revolving handle.
Resistant to solvents, oils, greases and other chemical agents.
GN 321 solid handwheels are available with GN 000.4 or GN 000.5
safety coupling bushings already assembled (see page 87 GN 321.4 and
see page 89 GN 321.5).
For fixing GN 321 on shafts by a grub screw see GN 110 drilling
technical information on page 668.