GB303 - Tinjauan

gb303GB 303-1964 English Version - GB 303-1964 Rolling bearings--Spherical roller radial thrust bearings with symmetric rollers--Types and basic dimensions (English Version): GB 303-1964,GB 303-1964 English Version - GB 303-1964 Rolling bearings--Spherical roller radial thrust bearings with symmetric rollers--Types and basic dimensions (English Version): GB 303-1964,