... ball bearing: 6000series, 6200series, 6300series, 6400 series, 6800 series, 6900 series, etc. 2.Angular contact ball bearing: 7100series ... .Taper roller bearing: 30000series, 31000series, 32000series, 33000 series 4.Spherical roller bearing: 20000series, 21000series, 22000series, ... bearing: N series, NU series, NJ series, etc 6.Pillow block bearing: UC series, UCP series, UCF series, UCFL series 7.Self ...