Spherical roller bearing type 22319K K is what mean
K is the cone bearing code 1:12 taperAnd K30 says the taper is 1:30The taper roller bearings with locking sleeve and a nut can be installed in a cylindrical shaft neck
On behalf of taper. After describing the basic numbers of the bearings, the suffix "K" is added directly". (for example, 22222KCJ). For 22, 23, 30, 31, 32, 33And the 39 series, the taper is 1:12 (diameter to width). For the 40, 41 and 42 series, the taper is 1:30 (diameter)Specific width)
