... 3.ISO9001:2000 4.OEM OK 1.SKF/FAG NA needle bearing/needle bearingHK 2512HK 3012HK 3512HK 4012HK 0408HK ... .Classification:a.Radial needle roller and cage assemblies,b.NA,NKI series needle bearingc.RNA,NK series needle bearing ... /needle bearingBrand nameNSK TIMKEN SKF FAG Koyo INA IKO NTNSeries NA 4917SriesMaterialBearing steel GCr15 and Stainless steelKeeperstainless steel, PTFE, nylonPrecisionP0 ...