This standard specifies the overall dimensions, technical requirements, inspection rules, marking and packaging of rolling bearings for railway locomotives. This standard applies to the ordering, production, inspection and user acceptance of rolling bearings for various types of railway locomotives.
TB/T 2591-1996 history
2007TB/T 2591-2007 Specification for rolling bearing of rail-locomotive for booking
1996TB/T 2591-1996 Specifications for ordering rolling bearings for railway locomotives