1, low noise, good resisting corrosion function, long life. 2, best service, high quality, competitive price. Deep groove ball bearings are used in a ... the following: 1, Series: 60000 series, 6200 series, 6300 series and 6400 series.2, Corresponding types: 605-6032, 625-6248, 6300 ... bearing, Z, ZZ, RS, 2RS5, Snap ring: N, NR6, Vibration and noise level: Z1, Z2, Z37, Precision level: P0, P6, P5 ...