1.Single row taper roller bearing 2.30302-30334 3.Markets:Asia,Middle East,South America ect. 4.ISO9001:2000 5.OEM offered Single Row Tapered Roller BearingsBearing no.30311Dimensions55*120*31.5mmNet weight1.61kgsCageSteel cageHardnessHRC58-HRC62GradeP0Qualityhigh precision, high speed, long life, high reliability, heavy load Packinganti-rust oil+plastic bag+color box+carton / anti-rust oil+ ...