http://www.world-bearings.com/....taper-roller-bearing wholesale Taper Roller Bearing 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