engraving machine carving milling grinding spindle motor

Oct 21 2019 Square Air Cooled Spindle Motor 22KW ER20 24000rpm 220V 6A 400Hz CNC Engraving Router Milling Grinding Cutting MachineSuitable for Small or Medium Processing 4pcs bearingrunout off less than 001mm power factor is aound 082087 Precision Tapered Bore less than 0005mm NoticeThe spindle speed cant lower than 9000rpm