Specification Brand : Bestopper BulletPoint : Brand: Cecotec 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 : 4:1 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. Capacity : 500 milliliters ExternallyAssignedProductIdentifier : 8435484038911 ExternallyAssignedProductIdentifier1 : 0760934122574 ExternallyAssignedProductIdentifier2 : 760934122574 ItemName : Nema 34 Planetary Gearbox 1/2 inch Input Shaft 3000rpm for 86 Stepper Motor CNC (4:1) ItemPackageDimensions_Height : 18.542 centimeters ItemPackageDimensions_Length : 12.192 centimeters ItemPackageDimensions_Width : 12.7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : mechanical-gearboxes Manufacturer : Bestopper ModelNumber : Ey-PX86-Nema34-16 NumberOfItems : 1 PackageLevel : unit PartNumber : 86PX FBA ProductDescription : Stage: Stage I Flange : Nema34 Input shaft: 12.7mm (1/2") Gear Ratio : 6:1 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 6:1 4pc Screw ProductSiteLaunchDate : 2021-09-17T17:51:57.956Z Size : 4:1 Speed : 3000 rpm Style : Nema 34 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 26101200 Voltage : 230 volts_of_alternating_current Wattage : 1000 watts