1.low noise and long life 2.ISO 9001:2000 quality 3.low noise ,high quality,fast delievery Roller Bearing :CYLINDRICAL ROLLER BEARINGSeries:N, NU, NJ, NUP, NN, etc seriesClearance:C2,C3,C4,etcLubrication:Grease, oilCertification:ISO9001: 2000Payment:30% deposit ,balance against copy of B/LOEM service:Such as: timken, skf,f ag, ntn, ina, etcApplication: cylindrical roller bearing is widely used in ...