Configuration:Function: On/Off, Direction, Speed control, BrakeSpeed control: Closed-loop and open-loop speed control; optional speed feedbackPerformance: Customizable within the continuous operating rangeBall bearing: Preloaded bearingsFlange: Standard front & back flanges; customizable flange optionsShaft: Options for length, diameter, cut face, double shaft, hollow shaftLeadwire: PVC, Silicon, Teflon; UL number, custom dimensions and lengthsConnector: JST, MOLEX, TEApplications:Power toolsPumpsRoboticsFans & blowersMedical equipmentIllustrations:BF4253 parameters (specifications image)BF4253 performance curve (curve image)BF4253 outline drawing (drawing image)Technical specifications:Model: BF4253Series: BF SeriesStructure: External-rotor structure, integrated electronicsDimensions: Ø42 mm × 53 mmFunctions: On/Off, Direction, Speed control, BrakeControl modes: Closed-loop and open-loop speed control; speed feedback availablePerformance: Customizable within continuous operating rangeBall bearing: PreloadFlange: Standard front & back; customizableShaft options: Length, diameter, cut face, double shaft, hollow shaftLeadwire options: PVC, Silicon, Teflon, UL number, custom dimensions and lengthsConnector options: JST, MOLEX, TE