Standard_Parts_Catalogue

Page 272 | 1.3 Adjusting with Handwheels and Cranks 1 2 No. d 1 Ø Handwheel GN 321 GN 322 GN 323 d 2 H7 Bore with keyway d 3 d 4 max. see page 270 d 5 Minimum- Ø of handwheel hub d 6 −0,03 Bore- Ø of hand- wheel hub d 6 H7 l 1 l 2 ±0,1 Length of handwheel hub l 3 t w min. see page 270 1 125 K 12 - 28 17 29 25 28,5 18  5 26 4 1 140 K 12 - 28 17 29 25 28,5 19  5 26 4 2 140 K 14 K 16 32 21 33 29 32,5 19  6 30 4 2 160 K 14 K 16 32 21 33 29 32,5 20  6 30 4 3 200 K 18 K 20 38 26 39 35 36,5 24  6 36 4 4 250 K 22 - 45 30 46 41 47,5 28 12 42 4 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 hand- wheel connects with the handwheel hub. The length of the handwheel hub l 2 can be set by turning the clamp nut to the values given in the table. see also... • More Information to Safety Handwheels → Page 268 Information GN 000.4 Coupling Attachments for Safety Handwheels, with Friction Bearing 1 No. 2 d 2 How to order 1 2 GN000.4-2-K14 • Steel Nitrided • Bearing surface ground resp. PTFE coated • Keyway P9 DIN 6885 Page 2 → Page 2079 • ISO Fundamental Tolerances → Page 2151 • RoHS Specification