Hub, H9 reamed hole.<BR>- Execution <STRONG>N</STRONG>: with end grooving.<BR>- Execution <STRONG>A</STRONG>: without end grooving.<BR>For fixing GN 369 on shafts by a grub screw see Technical Data.
Technopolymer, black colour.
Sandblasted and nickel-plated steel with arm welded to the hub.
Type I.280 phenolic based (PF) Duroplast, black colour, glossy finish. Resistant to solvents, oils, greases and other chemical agents.