Angular contact ball bearings 71900 C Single row or double row four contact angles degrees are ... *22mm*6mmSeries with contact angle 15º71900 C series, 7000 C series, 7200 Cseries, 7300 C series etc. Series with contact angle 25 ... , NSK, NTN, KOYO, NACHI etc. Angular contact ball bearings 71900 C