Tapered roller bearings are very common , the tapered rollers are separate. This kind of bearings consisting of the innerring and cage, rollers and the outer ring. The outer ring and the rest of assembly can be installed separately. The corrected contact linea at the location of contact between the rollers and raceway can reduce stress concentration. The tapered roller bearings can bear high load, not only radial loads, but also axial loads. As a tapereed roller bearing can only accommodate the axial load in one direction, if we want the tapered roller bearings to accommodate the axial load in the reverse direction, we need another tapered roller bearings. a tapered roller bearing is suitable for transmitting radial and axial loads.
NSK bearings mostly belong to specification metric tapered roller bearing. For example: 313 series tapered roller bearigns, with a large comtact angle, apply to occasions where a high axial load exists, while 323B series tapered roller bearings also have a large contact angle, appy to occasions where a high axial load exists.
Bicycle bearing
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