GB/T 12949-1991

GB/Z 32332.2-2015 Rolling bearings—Explanatory notes on ISO 281—Part 2: Modified rating life calculation, based on a systems approach to fatigue stresses GB/Z 32332.1-2015 Rolling bearings—Explanatory notes on ISO 281—Part 1: Basic dynamic load rating and basic rating life GB/Z 36517-2018 Rolling bearings—Methods for calculating the modified reference rating life for universally loaded bearings GB/T 307.1-1994 Rolling bearings--Radial bearings--Tolerances GB/T 2509-1981 Copper alloy integrated shaft sleeves for plain bearings--Types, dimensions and tolerances GB/T 2510-1981 Copper alloy integrated shaft sleeves for plain bearings with gears--Types, dimensions and tolerances GB/T 2685-1981 Powder metallurgy plain bearing--Cylindrical type--Types，dimensions and tolerances GB/T 2687-1981 Powder metallurgy plain bearing--Spherical type--Types， dimensions and tolerances