втулка гвинта
main-rotor head / main-rotor hub
main-rotor hub / main-rotor head
anti-torque rotor hub
main rotor hub
tail rotor hub
lateral dual rotor system / side-by-side rotor helicopter
hub and spokes system
hub assembly
portal hub
clutch disk hub
idler wheel hub cap
worm-wheel hub
direct and overdrive clutch hub
fan hub clutch
hub brake
hub disk
hub guard
hub stud
hub-tip ratio
split wheel hub
wheel hub
wheel hub integral flange
key rail hub
reinforced hub
hub
hub (drone)
brake rotor
tail rotor blade
tilt rotor aircraft
turbine disc / rotor /wheel
idle rotor
inner rotor