Type Selection and Life Assessment of High-speed Gauge-changeable Bogie Axle Box Bearing
The type selection analysis of an axle box bearing for the gauge-changeable bogie of high-speed EMUs was described, including the analysis of bearing form, bearing precision, bearing material, lubricating grease type, grease filling amount, chain guard bearing seal and bearing clearance, etc., and the basic type and size of the bearing of the gauge