200W Spindle Motor 48V DC Spindle ER11-3.175MM High Speed Spindle Brush Air Cooled PCB Spindle Motor And Bracket ,Efficient Performance

Diameter: 52mm Chuck Part Length: Arbor parts 35mm, (including nuts and sandwich 43mm) Part chuck diameter: 16mm Motor length: 140mm (including gripping parts and motor) Spindle runout of about :0.02-0.03.