6129000002 30KFB4004 "30KFB4004 8668733 ""550123"" *5302471* HELICED250MM" Type: 30KFB4004 Code: 5302471 "19GFB4041 ""551033"" *5192337*" "30KFB4008 ""8668736"" ""550164"" *5302472*" "19TFB6066 5192685 alternative YDK80.6A ""261563""" "30KFB4004 8668733 ""550123"" *5302471*HELICED250MM" 30KFB4015 alternative 8668745 or 8668746 "30KFB4004 8668733 ""550123"" *5302471* HELICE D250MM" "30KFB4004 8668734 ""550123"" *5302471* HELICE D300MM obsolete, replaced by M4Q045.EA01.G3 ""550163"" HELICE D300MM ( brand EBMpapst)";FAN 8668745 HELICE 250MM 8668746 HELICE 300MM "YDK80.6A ""261563""" Type 530 2386 2A 550164