Specification Brand : BESJMYT BulletPoint1 : [Specifications]: Body Length: 22.5MM / 0.89inch; Rated Current: 1A; Step Angle: 1.8 degree; Phase: 2; Phase Resistance: 3.7Ω±10%Ω; Phase Inductance: 4.3mH±20%; Holding Togque: 190mNm (26.90oz.in); Rotor Inertia: 16.5g.cm²; Weight: 0.14kg. BulletPoint2 : [High Torque]: Powerful, high-torque Nema 17 stepper motors provide superior power output and precise control for your equipment. BulletPoint3 : [Dimension Parameter]: Nema 17 Bipolar Stepper Motor: 42x42x22.5MM / 1.66x1.66x 0.89inch, Shaft Diameter: Φ 5mm (D Shaft Φ 4.5mm), Shaft Length: 24±0.5mm, 2 phase, 4 wires: Black (A+), Green (A-), Red (B+), Blue (B-). BulletPoint4 : [High Efficiency]: NEMA 17 stepper motors are typically designed to improve energy efficiency, ensuring that they deliver powerful performance while keeping energy consumption to a minimum. BulletPoint5 : [Kit]: Come with 3PCS 22.5MM Nema 17 stepper motor with cable. If you have any concerns or questions during the purchasing process, our customer service team is ready to assist you. ExternallyAssignedProductIdentifier1 : 747607258631 ExternallyAssignedProductIdentifier2 : 0747607258631 Horsepower : 0.04 horsepower IncludedComponents : Nema 17 Stepper Motor ItemName : BESJMYT Nema 17 Stepper Motor 3PCS 0.89 inch(22.5mm) 190mNm/26.90oz.in High Torque 2 Phase-4 Lead 1A(3.7V) 1.8 Deg Multi Control for Precise 3D Printer/CNC ItemPackageDimensions_Height : 29.8958 centimeters ItemPackageDimensions_Length : 11.7094 centimeters ItemPackageDimensions_Width : 14.7066 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : 3d-printer-motors Manufacturer : BESJMYT Material : Metal ModelName : gear ModelNumber : Nema17 NumberOfItems : 3 PartNumber : Nema17 ProductDescription : BESJMYT Nema 17 Stepper Motor 3PCS 0.89 inch(22.5mm)190mNm/26.90oz.in High Torque 2 Phase-4 Lead 1A(3.7V) 1.8 Deg Multi Control for Precise 3D Printer/CNC ProductSiteLaunchDate : 2024-05-31T00:00:00.000-07:00 Size : 1.66x1.66x0.89 inch Speed : 7 rpm SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 26111500 Voltage : 1.68 volts