Configuration:Performance: Customized in the continuous operating rangeBall bearings: PreloadedFlange: Standard front and rear flanges; flange customization availableShaft: Options for length, diameter, cut face, double shaft, hollow shaftLeadwire: PVC, Silicone, Teflon; UL-rated options; dimensions and lengths customizableConnector: JST, MOLEX, TEApplications:Power toolsPumpsRoboticsFans & blowersMedical equipmentAdditional product data available on the page:Specification table image (parameters sheet)Performance curve imageMechanical drawing / outline imageTechnical features / specifications:Model family: ECi Series (multipole internal rotor design)Model: ECi4056Outer diameter / length indicated in title: Φ40 mm × 56 mmCustomized continuous-operation performance availablePreloaded ball bearingsFront and rear standard flanges; flange customization availableShaft options: length, diameter, cut face, double shaft, hollow shaftLeadwire options: PVC, Silicone, Teflon; UL-rated options; dimensions and lengths customizableConnector options: JST, MOLEX, TESpecification sheet, performance curves and mechanical drawing provided as images on the product page