Tapered roller bearing:

1, the type of bearings are separable bearings,inner and outer ring raceways are having a conical.

2, according to the number of  rows of rollers ,these bearings divided into single row , double row and four row tapered roller bearings , such as different structural types.

3,tapered roller bearings have tapered inner and outer ring raceways, tapered rollers are arranged between the two. all conical surface projection lines together with the same point of the bearing axis.