... Offered Feathers & Specification of WBBC Taper roller bearings:Brand NameWBBCSeries:Single Row, Double Rows, Four Rows Material:GCr15 GCr15SiMnID ... composite (radial and axial) loads. Tapered Roller Bearings can best way to stress distribution in ... Roller Bearings, single row, matching single, double row,four Tapered Roller Bearings can meet a wide range of applications. Four-row taper roller bearings