The inner and outer rings of tapered roller bearings are tapered, and the rollers are also tapered. It is a separable bearing, and the inner component of the bearing (composed of a roller, a cage and an inner ring) and the outer ring can be separated. Therefore, it can be easily installed on the journal and bearing seat. This kind of bearing is divided into single row, double row and four row tapered roller bearings and other different structural types according to the number of rows of rollers installed. Tapered roller bearings are widely used in automobile, rolling mill, mining, metallurgy, plastic machinery and other industries.
Four Row Type：
The performance of four row tapered roller bearings is basically the same as that of double row tapered roller bearings, but the capacity of bearing radial loads is greater than that of double row tapered roller bearings. Low limit speed is mainly used in heavy machinery, rolling machines and so on。
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