FLENDER Standard Couplings Torsionally Rigid Gear Couplings — ZAPEX ZN Series © Siemens AG 2015 Type ZN – flange connection dimensions ■ Selection and ordering data BF U x Ш DFB Ш DA Ш DFK Ш D4 Ш DR 5 G_MD10_XX_00067 R 5/13 Siemens MD 10.1 · 2015 Size Dimensions in mm DA BF D4 DFK DFB U DR R Number 83 117 14 83 100 9 6 82 2.5 107 152 19 107 131 11 6 105 3 130 178 19 129.5 157 11 8 130 3 156 213 22 156 188 13 6 153 4 181 240 22 181 213 13 10 178 4 211 280 28.5 211 249 17 8 205 5 250 318 28.5 249.5 287 17 10 243 4 274 347 28.5 274 315 17 12 265 5.5 307 390 38 307 352 21 12 302 6 333 425.5 38 332.5 385 21 14 320 6 364 457 26 364 416 21 16 353 6 424 527 28.5 423.5 482 25 16 412 8