Specification AgeRangeDescription : adult Brand : NURII BulletPoint1 : 【High efficiency and energy saving】 water-cooled spindle motor adopts advanced cooling system, which effectively reduces energy consumption and better protects the motor, realizing high efficiency and energy saving. BulletPoint2 : 【Advantages of The Spindle】The design of the cover on the front of the spindle and the use of stainless steel body can effectively prevent water . BulletPoint3 : 【SPINDLE ADVANTAGE 】-Less noise, significantly extend working life 3 times longer than ordinary spindle motor; BulletPoint4 : 【Stability】 Advanced dynamic balance technology effectively reduce the noise and increase stability in the working process; BulletPoint5 : 【WIDE APPLICATION】-Kinds of engraving and drilling material :Kinds of drilling and engraving materials , such as plastics, soft aluminum,brass, acrylics, PVC, PCB, wood,plywood, nylon. Color : 380v ExternallyAssignedProductIdentifier : 7094230754232 ItemName : ER20 3.2KW Water Cooled Spindle Motor, with 3.7KW Variable Frequency Driver Inverter, 100MM Clamping Bracket Pump(Ceramic Bearing,380v) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : power-spindle-sanders Manufacturer : NURII Material : Milling Machines ModelName : NURII ModelNumber : NURII NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : NURII ProductDescription : Size: 100x250mm(Middle body diameter:100mm;Length:250mm) Speed Ways:Through 3-phase output inverter and adjust the inverter frequency to change the spindle speed. Cooling:Water cooling Power:3.2kw Voltage: 220v Current: 15A Frequency: 0-400Hz Speed:0-24000rpm Runout Off: Less than 0.01mm Diameter(mm):100 Bearing Type: 2 x 7005 P4 DT & 2 x 7003 P4 DT4pcs fully sealed angular contact bearings