supply of constant contact polyurethane side bearer assembly for casnub 22 nlb bogie.constant contact polyurethane side bearer assembly for casnub 22 nlb bogie.,constant contact polyurethane side bearer assembly for casnub 22 nlb bogie ( design b).drawing no. : rdsos approved firms drawing. material and specification : conforming to rdso,s s pec. no. wd-38 misc.-2004, (rev. 2) of nov. 2022 with marking details.remarks : marking as per rdso s letter no. mw/csnb failure dated: 0 4.06.2024. remarks: (a) all metallic parts of pu side bearer i.e. top and bottom housing and spacers etc. shall be stamped/embossed on non-wearing surface in clearly legible 6 mm size letters. (b) all pu components shall be marked by engraving/laser engraving/embossi ng in 3 mm size in letter on non-wearing surface. marking by inkjet printing/ink-stamping is strictly proh ibited. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]