Specification Brand : NJBVRS BulletPoint : With speed governor Wasy to control the speed of 500w spindle motor ! BulletPoint1 : Triple grip drill chuck. BulletPoint2 : Accepts accessories with 1.5-10mm shanks. BulletPoint3 : Quick Change, Easily locks onto and releases drill bits. BulletPoint4 : Allows hex drive power tools to use conventional drill bits. BulletPoint5 : Key type drill chuck,lock your accessory stable. Color : 300w Spindle ExternallyAssignedProductIdentifier : 7503025869957 ItemName : CNC Air Cooled Spindle Motor 200w/300w/400w/500w Engraving Machine Spindle Motor Air-Cooling High Speed CNC (Drill Chuck Clamping Range:1.5-10mm)(300W Spindle) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : power-milling-machines Manufacturer : NJBVRS Material : Metal ModelName : 4000278014761 ModelNumber : 4000278014761 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 4000278014761 ProductDescription : 200w/300w/400w/500w Spindle Engraving Machine Spindle Motor Air-cooling cnc Spindle DC Motor CNC Engraving Machine Package include: 1PCS 200w spindle motor Feature: Spindle motor: new DC motor Operating voltage: 12-48VDC Power: 200W Speed: 3000-12000r/min (12V-3000 rpm, 24V-6000 rpm, 36V-9000 rpm, 48V-12000 rpm) Torque:280mN.m Insulation resistance: >2 Mohm Insulation dielectric strength: 400V Diameter: 52mm Chuck part length: Arbor part contains nut and sandwich 41MM Chuck part of the diameter: 16mm (clip default with 3.175MM) Total length of motor: 141mm (including clamping area and motor) Spindle radial runout is about 0.01-0.03. This motor does not have a fan. Do not work continuously for a long time! A single motor net weight: 620 g If the motor needs to work long hours, just need to add a cooling fan, forced air cooling, hot, or too long motor Display seiz: Package include: 1PCS 300w spindle motor Condition:NEW Model:300w air cooled spindle motor Work voltage: 12-48VDC Rotation speed: 3000-12000r/min (12V-3000 rpm, 24V-6000 rpm, 36V-9000 rpm, 48V-12000 rpm) Power: 300W Torque:400mN.m Insulation resistance:>2Megohm Dielectric strength:400V Motor Length : 175mm Diameter:52mm Axis collet Length: 48mm Diameter of Axis collect holder:16mm ER11 chuck : 3.175 Spindle radial runout is about 0.01-0.03. Package include: 1PCS 400w spindle motor Feature: Spindle motor: new DC motor Operating voltage: 12-48VDC Power:400W Speed: 3000-12000r/min (12V-3000 rpm, 24V-6000 rpm, 36V-9000 rpm, 48V-12000 rpm) Condition:NEW Torque:500mN.m Insulation resistance:> 2 megohms Dielectric strength: 400V Diameter: 52mm Chuck Part Length: Arbor parts 35mm, (including nuts and sandwich 43mm) Part chuck diameter: 16mm Motor length: 185mm (including gripping parts and motor) ProductSiteLaunchDate : 2025-03-11T03:23:10.424Z Size : One Size UnitCount : 1 UnspscCode : 26100000