... groove ball bearing, spherical roller bearing, taper roller bearing, angular contact ball bearing, cylindrical roller bearing, thrust ball bearing, needle roller bearing etc ; ... 32000 32200 32300 33000 33100 33200 series3.Cylindrical roller bearing(single-row, double-row, four-row, and ... NJ, NUP, RN, series)4.Spherical roller bearing(or Self-aligning roller Bearing); 21300, 22200, 22300, 23000, 23100, ...