© Siemens AG 2015 FLENDER Standard Couplings Fluid Couplings — FLUDEX Series Mass moments of inertia and maximum oil filling quantities Type FNDB J I Mass moment of inertia of the inner rotor (hollow shaft (106)/shaft (106) + blade wheel (105) + any parts of the add- on coupling connected to them) in kgm 2 J A Mass moment of inertia of the outer housing (shell (101) + cover (102) + any hub carrier (120) or add-on coupling) in kgm 2 Mass moments of inertia J (including the power-transmitting oil filling components) apply to maximum bores Y Centroidal distance of the drive-side coupling masses, measured from the hub end face of the hub carrier.
F Y Effective weight in mass center including maximum oil filling quantity 13 13/47 Siemens MD 10.1 · 2015 FLUDEX size Hub carrier Brake drum JA JI Weights Oil filling quantity Y FY max.
Hub ØDBT x BBT kgm2 kgm2 mm N l 370 Standard Ø315 x 118 0.657 0.640 197 685 8.2 Ø400 x 150 1.341 Long Ø315 x 118 0.647 0.640 227 Ø400 x 150 1.341 425 Standard Ø315 x 118 1.107 0.811 224 970 12.5 Ø400 x 150 1.492 Long Ø315 x 118 1.102 0.811 254 Ø400 x 150 1.492 490 Standard Ø400 x 150 2.480 1.994 235 1450 19 Ø500 x 190 4.009 Long Ø400 x 150 2.474 1.994 265 Ø500 x 190 4.009 565 Standard Ø400 x 150 4.175 2.835 278 2050 29 Ø500 x 190 4.775 Long Ø400 x 150 4.251 2.835 318 Ø500 x 190 4.775 655 Standard Ø500 x 190 9.319 6.677 330 3100 45 Ø630 x 236 11.577 Long Ø500 x 190 9.523 6.677 370 Ø630 x 236 11.577 755 Standard Ø630 x 236 15.616 15.178 352 4300 67 Long 15.950 392 887 Standard Ø710 x 265 33.662 30.832 406 7250 110 Long 34.462 456