Ultrahigh Speed Fan 40*40*28mm 30000rpm 12V 24V 40mm DC Fan

40*40*20mm high speed fan 9000rpm ball bearing longlife fan Product decriptionProdcut character  MODEL NAME MX4028ZBU1DIMEMSION 40*40*28mmBEAR TYPE ball bearing typeNOISE 62dBIMPELLER 5 BLADEEXPECTED LIFE 50000-70000HoursOPPERATING TEMPERATURE  You can also customize the specifications you want on the modle(Voltage, Speed, Wires, Functions).   SpecificationModelBearing     TypeRated VoltageOperating VoltageInput CurrentInput    PowerSpeedMax                 Air FlowMax                    Static PressureNoiseWeightPart No.B.SVDCVDCAmpWattRPMCFMm3/minInch-H2OpadB-AgMX4028ZBH1B127.0-13.80.657.801500021.450.610.98244.7758.0040.00MX4028ZBM1B127.0-13.80.455.401300018.300.520.70175.3450.0040.00MX4028ZBL1B127.0-13.80.253.001000013.400.380.42105.4242.0040.00MX4028ZBD1B127.0-13.80.172.04800010.940.310.2973.2639.0040.00MX4028ZBH2B2414.0-27.60.358.401500021.450.610.98244.7758.0040.00MX4028ZBM2B2414.0-27.60.256.001300018.300.520.70175.3450.0040.00MX4028ZBL2B2414.0-27.60.143.361000013.400.380.42105.4242.0040.00MX4028ZBD2B2414.0-27.60.112.64800010.940.310.2973.2639.0040.00Product detailSpecification  Company profileShenZhen Topfan China is a professional manufaturer with 11 years experience Which produces AC fan, DC fan,brushless fan, blower fan and EC fan. Our main markets are south Asia,south America, Europe."Concentrate on the sevice of customer" is our purpose.AFQQ: Are you trading company or manufacturer ?A: We are factory.Q: Do you provide samples ? is it free or extra ?A: Yes, we could offer the sample for but not freeQ: How long is your delivery time?A: Generally it is 7-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.Q: What is your terms of payment ?A: Payment=10000USD, 50% T/T in advance ,balance before shippment.Contact Mr.Damon Liang          /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1