Thesetaperrollerbearings are well known for its heavy-duty features. It contains two rows of barrel- shaped rollers, which can align themselves freely in the sphere outer ring raceway. This provides compensation for bearing seat misalignment and shaft deflection. Positive roller guidance is achieved by the integral inner ring lip. Thetaper rollerbearings incorporates a maximum number of large diameter and extra long rollers. The high degree of roller raceway conformity ensures even load distribution and a high carrying capacity