300W CNC Spindle Motor 52mm Clamps DC 48V ER11 Motor for DIY Engraving Machine

300W CNC Spindle Motor 52mm Clamps DC 48V ER11 Motor for DIY Engraving Machine Spindle Motor: Work voltage: 12-48VDC Rotation speed: 3000-12000r/min Power: 300W Torque:230mN.m Insulation resistance:>2Megohm Dielectric strength:400V Motor Length :  175mm Diameter:52mm Axis collet Length: 48mm Diameter of Axis collect holder:16mm Repeat accuracy: 0.01-0.05mm