This standard specifies the type, basic dimensions and technical requirements of 42724QT cylindrical roller bearings (hereinafter referred to as bearings). This standard applies to rolling bearings for passenger car axles.
2010TB/T 2235-2010 Rolling bearing in the railway passenger car and wagon
1996TB/T 1170-1995 Basic dimensions and technical requirements of 42724QT cylindrical roller bearings
TB/T 1170-1995 Basic dimensions and technical requirements of 42724QT cylindrical roller bearings was changed to TB/T 2235-2010 Rolling bearing in the railway passenger car and wagon.