Tapered roller bearing
Tapered Roller Bearing Uses and Advantages
A tapered roller bearing is a unit that consists of both tapered raceways (inner and outer rings), and tapered rollers. The construction is intended for combination loads, such as dual acting axial and radial loads. The bearing axis is where the projected lines of the raceway combine at a common location to improve rolling, while reducing friction. The load capacity can be increased or decreased depending on the contact angle being increased or decreased. The higher the degree of angle, the greater the contact angle. They are commonly used in pairs for better radial load handling, and in some heavy duty applications, can be found in two or four rows combined in a single unit.
Tapered Roller Bearing Uses
These types of bearings can be found in several everyday applications, most notably in car wheels. While the original design was actually constructed for wagon wheels to improve their performance for farming purposes, they have since been adapted for use across a wide spectrum of the automobile industry. Usually used in pairs in order to support an equal amount of axial force in either direction, they have come a long ways from the days of the wagon wheel. And yet the concept has survived and thrived 120 years later. They can also be found in agriculture equipment, gear boxes and axles, engines and reducers, propellers, railroad axles, and mining and construction.
The tapered roller bearing was designed to reduce friction and in turn reduce the heat generated which caused previous bearing designs to fail. The tapered shape allows the transfer of a load evenly while rolling. This dramatically reduced wear, in turn increasing durability, and is now nearly the world wide application for transmission shafts and rotating axles. Due to the high durability of these bearings, these shafts can usually run maintenance free for hundreds of thousands of miles. They also handle many heavy duty operations because of their reliability.
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The tapered roller bearing can be separated, and the assembly consisting of the inner ring and the roller and the cage and the outer ring can be respectively mounted on the tapered roller bearing. Corrected contact lines at the roller and raceway contacts reduce stress concentrations. Tapered roller bearings can withstand large radial and axial loads. Since tapered roller bearings can only transmit one-way axial loads, another tapered roller bearing that is symmetrically mounted is required to transmit the axial load in the opposite direction. A raceway with a slanted angle allows the tapered roller bearing to withstand combined radial and axial loads. The greater the angle between the outer raceway and the bearing centerline, the greater the ability to withstand axial and radial load ratios. The linear contact of the roller with the raceway gives the tapered roller bearing a large load carrying capacity. This feature and the ability to withstand radial loads, axial loads and combined loads make tapered roller bearings ideal for many applications. For a given inner diameter, a particularly lightweight cross section can be used to meet different load requirements.
381176 Tapered Roller Bearing
Gcr15 Bearing steel
P4 P5 P6
OEM,ODM Or Customized
30-45 days after samples approved and deposit received.
T/T, L/C at sight
Suitable for heavy loads and shock loads
Single row bearings can withstand radial loads and one-way axial loads, double row bearings can withstand radial loads and biaxial axial loads
Automobile: front wheel, rear wheel, transmission, differential pinion shaft. Machine tool spindles, construction machinery, large agricultural machinery, railway vehicle gear reduction devices, rolling mill roll necks and reduction gears
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