Self-Aligning ball bearing sample thermostability ISO9001:2008 certificate Application:automotive,electrical, machinery SpecificationSelf-Aligning ball bearingReasonable price and good qualityHigh precison, long life, low noizeISO9001:2008 certificate1. bearing type:ball bearings2. Cage(Retainer):Brass cage,nylon cage,steel cage3. Quality level:Reach the same level as Japanes and European ...