... bearingball bearings Shanghai Shengyue Bearing Co.,ltd is a professional bearing manufacturer and dealer in china.We have been ... NTN INA KOYO IKO NACHI Series 605-6020 ,623-6220 ,6300-6320 ,6403-6413ID size5 mm - 350 mmCage materialSteel , brass , Iron , ... (AISI) 52100_American/ (Din) 100Cr6_Germany 2) Types Specialized:6000, 6200, 6300 Series, with ZZ, 2RS, OPEN available;3) Dimension Range:d ...