Novak`s Ballistic 550 Rotor -- 12.3mm (#5948) is the replacement sintered rotor for Novak`s Ballistic 550 Brushless Motors (#3504-3506) and any 550-Size Brushless Motor that has a rotor with a 5mm output shaft, including the HV Brushless Motors with 5mm Shaft (#3524-#3527). This rotor can be used in place of HV Replacement Sintered Rotor with 5mm Shaft (#5914).


Features
 
High-Strength, sintered, Neodymium magnet for maximum motor acceleration, braking power and performance in high temperature conditions.  
Nickel-plated  
Maximum Operating Temperature: 200° C (392° F)*  
Rotor Diameter: 12.3mm  
Shaft Diameter: 5mm [accepts all existing pinion gears]  
Weight:: 46.0g (1.62 oz)  
Includes a protective tube and installation instructions.  
NOTE: For original HV Brushless Motors that have a 1/8" output shaft (discontinued rotor item #5912), it is recommended to use the #5924 HV Brushless 5mm Upgrade Kit, which includes a 5mm HV Sintered Rotor and Lightweight Front End Bell and Bearing.  
*The temperature of the rotor`s magnetic material is rated up to 200 degrees C (392 degrees F). The operating temperature of the motor should never rise above 71 degrees C (160 degrees F).