|Accessories on request||
Axial retaining washer type GN 184.
– Version <STRONG>B</STRONG>: H7 reamed hole. <BR>- Version <STRONG>K</STRONG>: H7 reamed hole and keyway in compliance with DIN 6885/1 P9 tolerance.<BR>For fixing GN 321-R on shafts by a grub screw see Technical Data.
Aluminium, fine sandblasted matte surface, turned and mirror-polished rim.
|Other standard executions available||
GN 321.4-D or GN 321.5-D with GN 000.4 or GN 000.5 safety coupling bushing.
Type GN 798 polyamide based (PA) technopolymer, black colour, matte finish. Resistant to solvents, oils, greases and other chemical agents. The two-volume special design of the handle provides the operator’s hand with a safe and ergonomic grip when turning the handwheel.
Axial and radial runout lower than 0.4.