Taper Roller Bearing factory Inch taper roller bearing The model of English taper roller bearing conforms to ANSI /abma standard. The same series of metric bearings, regardless of size, maintain the same relative cross section. English bearings are different. All the British bearings in the same series use the same cage and roller assemblies, but the inner and outer rings can be of different sizes and designs. Any inner cone (inner ring with cage and roller assemblies) belonging to the same bearing family may be assembled with any outer cone ring (outer ring). Therefore, the inner cone and outer cone ring have their own models and can be supplied separately or as complete bearings. Models of the inner and outer cone rings and the series include three to six digits, which can be prefixed with the following letters or combinations of letters: el, ll, l, lm, hm, h, hh, and eh. The prefix indicates the characteristics of the bearing series from ultralight to overweight. The complete bearing type includes the inner cone type and the subsequent outer cone ring type. The two types are separated by oblique lines. In order to simplify the complete bearing model, the abbreviation is used.Taper Roller Bearing factory website:http://www.world-bearings.com/taper-roller-bearing/