procurement of corner roller assembly for ( bcm 300 series & bcm 700 series ) ., corner roller pt. no : 64.08.5000.21 corner roller assembly to plasser part no.64.08.5000.21 or its equivalent with pin and nut consisting of seven items as per following specification for plasser make bcm machines. 1. the corner roller shall conform to rdso specification.no.tm / hm / 6 / 348 and dimension shall confirm to rdso drawing. no. rdso / tm / 06 / 14 -1 number. 2. the pin shall conform to plasser part no. 64.08.5062 or its equivalent with key conforming to plasser part no. 64.08.5052 or its equivalent ( to suit key way in the pin ) and castle nut to part no. m36-3din937-8g or equivalent - 1 set 3. the bearing shall be double row spherical roller bearing 21313 or single row spherical roller bearing 20313 - 2 numbers. make : hmt / skf / fag / koyo / mcgill. 4. bush shall conform to plasser part no.64.08.5048 or its equivalent - 1 number 5. the cover plate shall conform to rdso specification.no.tm / hm / 6 / 349 and dimension shall confirm to rdso drawing. no. rdso / tm / 07 / 14- 2 numbers. 6. the internal circlip 140mm suitable for corner roller body - 1