1.Different series 2.under our own registered ... ,RS 5.samples for free,OEM/ODM Custom made ball bearingMaterial: chrome steel, Stainless steel, Ceramic(ZrO2, ... coated, etc.Small order are acceptedAdvantage:Most representative bearing of the rolling bearingsSuitable for high speed even ... .p2cageStamped steel cage or solid brass cage Shield/closureOpen ball bearing, Z, ZZ, RS, 2RS, 2RZTolerance CodeABEC-1 ...