Specification Brand : Bestopper BulletPoint : This worm gearbox is designed for Nema 34 Stepper Motor or other 86mmx86mm size motor, the output shaft is offset by 90° from the drive shaft. BulletPoint1 : Input shaft hole is 1/2" that can match the 12.7mm shaft motor (without keyed). The output shaft diameter is 16mm BulletPoint2 : The gearhead has nema 34 Input & ouput flange,suitable for flange 86mm stepper motor and other motors which can completely match the installation size . BulletPoint3 : Rated speed is 3000RPM, 5:1 gear ratio ,the rated holding torque is 30N.m and the Max. holding torque is 50N.m BulletPoint4 : Easy installtion and small size, you can mount the gear reducer with 4pcs screws , and the gear reducer body length is 80mm,very convenient to the machine which has limited space for a gearbox BulletPoint5 : This nema34 planetary gearbox mainly matches the stepper motor to reduce speed and increase torque. Widely used in CNC field on mill,lathe,bench,packaging machine etc. CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 7427044330741 ExternallyAssignedProductIdentifier1 : 724920089876 ExternallyAssignedProductIdentifier2 : 0724920089876 FitType : Universal Horsepower : 200 watts ItemName : 5:1 Nema 34 Gearbox Planetary Gear Head Reducer Stepper Motor Speed Reducer 1/2" Shaft 12.7mm,Output 16mm for Stepper Motor CNC Router Lathe ItemPackageDimensions_Height : 17 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 13.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : mechanical-gearboxes Manufacturer : Bestopper Material : Aluminum ModelNumber : NMRV40-G20-D14 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 86PX FBA ProductDescription : Stage: Stage I Flange : Nema34 Input shaft: 12.7mm (1/2") Gear Ratio : 5:1 Output shaft: 16mm Body length(mm): 80 Specified load(N.m): 30 Max load(N.m): 50 Effectiveness(%): 95 Return clearance(Arcmin): Less than 18 Rated input speed(rpm): 3000Protection grade(IP): 65 Weight(KG): 1.8 Noise(DB): Less than 60Life(H): ≈20000 Lubrication way: grease Installation: flange Package Included : 1pc Gearbox 5:1 4pc Screw ProductExpirationType : Does Not Expire ProductSiteLaunchDate : 2021-09-18T14:51:57.956Z Size : 5:1 Speed : 3000 rpm Style : Nema 34 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 26111500