Single and double row of tapered roller bearings of the same inner diameter and outer diameter
Double row is two tapered roller bearings, face to face, share an outer ring, so in addition to height is different! Load increased, speed decreased!
Double row rigidity is good, can bear overturning moment big, widely used in the car front wheel hub.
Single row, adjustable heart, double row adjustable heart. Double row is larger than single row. Single row for gyro rotor, micro motor, such as dynamic balance, noise, vibration and stability are higher requirements of the device.
