No railway wagon axle box double row circular cone roller bearings tag

No railway wagon axle box double row circular cone roller bearings 2018 - mark profile 09 - 02 1 manufacture markup tags have basic bearing type, bearing manufacturing units and bearing manufacturing time. 353130 a type of bearings are in outer years after the play production sequence number ( According to the five digits choreography from month to month) 。 353130 b, 352226 x2 - 2 rz, SKF197726 bearing play is to be made after the outer ring manufacturing years production sequence number ( Arranged by six digits) , years later, lap time playing material batch number ( Arranged by three digits) 。 Bearing the nominal inside diameter smaller than nominal prototype inner diameter 0. 5 mm bearing moment playing again after bearing type 'D1' tag. Mechanical engraving manufacturing, respectively in order distribution inside is big end surface and the groove of the outer ring outside diameter, but have obvious interval between each other. Manufacture tag for permanent marker, to make clear, easy to identification, high three. 5mm。 2 overhaul repair marking have bearing overhaul symbols, bearing repair unit code, bearing overhaul exergue, added a new tag and bearing number. The major overhaul of the mark in the bearing inner ring play inside is big end surface is to be made by carving machine behind the bearing type manufacturing tag centralized arrangement, the content including bearing overhaul symbols' 50 ', bearing repair unit code such as' 1 factory 'and' SGC, bearing overhaul years such as' 06 - 08 'and added new mark' X '( When adding new pieces of inner ring behind the overhaul years mark engraved play) 。 The overhaul respectively, carved in the bearing outer ring groove in the outer diameter and carving on the outer diameter. Overhaul in the groove of the outer diameter markers play is to be made by carving machine made in bearing type tag behind centralized arrangement; Overhaul mark on the surface of the outer diameter can be used by hand carving, centralized arrangement, shall not damage raceway. Tag content includes bearing overhaul symbols' '', bearing overhaul unit code such as' 1 factory 'and' SGC, bearing overhaul years such as' 06 - 08 ', added a new piece of mark 'X' ( Added a new piece of outer ring behind the overhaul years mark engraved play) And the bearing number ( According to the five digits choreography from month to month, outer diameter surface carving) 。 197726 after overhaul equipment, engineering plastic cage type bearing, bearing model for 197726 type TN, inner, outer ring bearing manufacturing time play 'TN' after marking. Overhaul of 197726 type bearing to send the original after overhaul factory equipment, engineering plastic cage, inner, outer ring bearing manufacturing time play 'TN' after marking and cross-dressing years ( After two years, 2) ； Overhaul markers to retain the original, can recognize but not clear according to the original content when the moment. Overhaul, Including change engineering plastic cage) Tag is to be made by carving machine, bearing overhaul symbol of Ф 10 mm diameter circle, other phonetic alphabet, high font of Chinese characters and Arabic Numbers for 3. 5 mm, depth of not less than 0. 15mm。 3 general maintenance tag after general maintenance, rolling bearing are carved play ( Carving) General symbol, maintenance unit code, maintenance repair (date) (month) (year). General maintenance marks ( Carving) On the outer diameter surface and two inner ring big end, general maintenance symbols for the 'left', general maintenance unit codes such as' 153 ', general maintenance and repair (date) (month) (year) ( After two year, month, day 2) Such as' 060321 '. The general maintenance and repair of steel cage x2-352226 Type 2 rz bearing change after engineering plastic cage,,, outer bearing manufacturing marks after the play, Carving) 'TN markup and cross-dressing years ( After two years, 2) 。 Tag is carved acid pen or carving machine ( Carving) , shall not damage, and should be used when using acid pen write wiping fluid; Numbers and letters mark font high 5 mm, fonts, strokes clear, neat rows.