... Series1.Deep groove ball bearing: 6000series, 6200series, 6300series, 6400 series, 6800 series, 6900 series, etc.2.Angular contact ball bearing: 7100series, 7200series, 7300series ... , 22000series, 23000series5.Cylindrical roller bearing: N series, NU series, NJ series, etc6.Pillow block bearing: UC series, UCP series, UCF series, UCFL series7.Self aligning ball bearing ...