Standard_Parts_Catalogue

Page 276 | 1.3 Adjusting with Handwheels and Cranks 1 2 d 1 d 2 H7 Bore with keyway b l 1 l 2 r Ø Handle 160 K 14 K 16 K 18 K 20 18   66 82,5 71 26 200 K 14 K 16 K 18 K 20 20,5 68 82,5 89 26 Safety handwheels GN 327 feature the ultimate in health and safety at work standards because the handwheel, if disengaged, is mounted on a fixed component, the bearing flange. The wheel is fully disengaged from the rotating shaft. The bearing flange can also accept the bearing of the shaft via the bea- ring bushing (identification no. 1). This bearing bushing is a dry bearing (DU bushing). Normally, the shaft has a separate bearing and the bearing bushing serves to center the bearing flange. Centering can also be effected by a centering ring (identification no. 2) if the appropriate bore hole has been made at the machine side. In this case there is no need for the bearing bushings and no bearing friction (heating) will occur. see also... • More Information to Safety Handwheels → Page 268 Information GN 327 Safety Handwheels Aluminum, Fixed Bearing Flange 1 d 1 2 d 2 3 Type 4 Mode How to order 1 2 3 4 GN327-160-K16-A-1 3 Type A Without handle D With revolving handle 4 Identification no. 1 With bearing bushing 2 With centring ring Specification • Handwheel body Aluminum Rim turned and polished • Coupling elements - - Steel, nitrided - - Bearing surface ground and / or PTFE-coated - - Bearing flange blackened • Revolving handles GN 598 - - Plastic, Duroplast Black, shiny finish - - Spindle steel Zinc plated, blue passivated • Revolving Handles GN 598 → Page 38 • Keyway P9 DIN 6885 Page 2 → Page 2079 • ISO Fundamental Tolerances → Page 2151 • Plastic Characteristics → Page 2158 • RoHS