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300W High speed spindle motor with mount bracket

300W spindle motor with bracket mount and screws.
Spindle motor: new air-cooled DC motor
Applications: CNC Engraving machines
Working voltage: 12-48VDC
Power: 300W
Current: Maximum current is 6A
Speed: 3000-12000r / min (12V-3000 turn, 24V-6000 turn, 36V-9000 turn, 48V-12000 rpm)
Torque: 400mN.m
Absolute temperature rise: 15 degrees Celsius
Insulation resistance: greater than 2 megohms
Insulation Dielectric Strength: 400V
Diameter: 52mm
Chuck part length: Arbor part 35mm, (including nut and sandwich 52mm)
Using a wrench: 13/17 wrench
Total motor length: 175mm (including clamping parts and motor)
Spindle weight: 0.8KG
Spindle radial runout of about 0.01mm.
Can be used for engraving metal or non-metallic materials.
Package contains
1: 300W spindle motor
2: Motor mount and screws