... 2000 standard 4)Brand name :WBBC 5)OEM: Offered Feathers & Specification of WBBC Taper roller bearings:Brand NameWBBCSeries:Single ... Row, Double Rows, Four Rows Material:GCr15 GCr15SiMnID Size:100mm-1500mmQuality standard: ISO ... Roller Bearings, single row, matching single, double row,four Tapered Roller Bearings can meet a wide range of applications ...