supply of ball bearing consisting of 4 items , bearing,ball , as per part no:600-zrs / 6002 size id:15 mm, od=32 mm w=9 mm make: koyo, skf, fag. [ warranty period: 30 months after the date of delivery ] ] , ball bearing as per plasser part no. 6209-2rsr, make: koyo , skf, fag. [ warranty period: 30 months after the date of delivery ] ] , ball bearing , as per part no:6310 / 6310 n make: koyo ,skf,fag. [ warranty period: 3 0 months after the date of delivery ] ] , tapered roller bearing as per part no 30218a for hobcm. acceptable make : hmt, k oyo , skf, fag [ warranty period: 30 months after the date of delivery ] ]