Tapered roller bearing use and device tips

Source: Bearing network time: 2014-01-18

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The tapered roller bearing can be separated; the inner ring and the roller and the cage together with the outer ring can be separated from the device. The touch line of the roller and the track touch can reduce the stress gathering. The tapered roller bearing can accept Large radial and axial loads. Because tapered roller bearings can only transmit one-way axial loads; thus, another axially loaded tapered roller bearing is required to transmit the axial load in the opposite direction.
The largest number of tapered roller bearings are single row tapered roller bearings. In the front wheel hub of the car; these years also used small-scale double-row tapered roller bearings. Four-row tapered roller bearings are used in large cold, In heavy machines such as hot rolling mills.
The single row tapered roller bearing has an outer ring; the inner ring and the set of tapered rollers are comprised by the basket cage as an inner ring assembly. The outer ring can be separated from the inner ring assembly; according to the ISO tapered roller bearing shape specification The rules of any type of tapered roller bearing outer ring or inner ring assembly should be able to complete international exchange with the same type of outer ring or inner ring assembly. That is, the same type of outer ring in addition to external scale, public service needs to comply with ISO492 ( GB307) outside the rules; the cone angle of the inner ring assembly, the diameter of the component cone, etc. are also necessary to comply with the relevant rules of exchange.
General; single-row tapered roller bearing outer ring raceway has a cone angle of 10Â°~19Â°; it can accept the joint effect of bearing load and radial load together. The larger the taper angle, the greater the ability to accept axial load. Large cone angle bearing; rear code plus B; cone angle between 25 Â° ~ 29 Â°; it can accept a large axial load. Other; single row tapered roller bearing can adjust the clearance during the device The size of the.
The outer ring (or inner ring) of the double row tapered roller bearing is a whole. The two inner rings (or outer rings) are near the small end face; the center has a spacer; the clearance is adjusted by the thickness of the spacer; The thickness of the spacer adjusts the pre-interference of the double row tapered roller bearing.
The tapered roller bearing mainly accepts the radial and axial combined load. The bearing bearing capacity depends on the raceway viewpoint of the outer ring; the larger the viewpoint, the greater the bearing capacity. This type of bearing is a separate bearing; The number of columns of the rolling body is divided into single-row, double-row and four-row tapered roller bearings. The single-row tapered roller bearing clearance needs to be adjusted by the user when the device is installed. The double-row and four-row tapered roller bearing clearances are already in the factory according to the product. User requirements are given; no user adjustment is required.
Tapered roller bearings have conical inner and outer ring raceways; tapered rollers are placed between the two. The projection lines of all conical surfaces are agglomerated at the same point on the bearing axis. This depiction makes tapered roller bearings unique It is suitable to accept composite (radial and axial) loads. The axial load of the bearing can be mostly determined by the touch angle Î±. The larger the Î± viewpoint, the higher the axial load. The viewpoint size is indicated by the calculation coefficient e. The larger the e value; the larger the touch point of view; the greater the applicability of the bearing to accept the axial load.
Tapered roller bearings are generally isolated; that is, the conical inner ring assembly consisting of the inner ring with the roller and cage assembly can be separated from the outer ring (outer ring).
Tapered roller bearings are widely used in automobiles, rolling mills, mining, metallurgy, plastic machinery and other occupations.

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