Tapered roller bearings are widely used in the automotive industry 

Tapered roller bearings are widely used mechanical bearings. Their function, in ensuring sufficient bearing life, is to support the shaft and the parts on the shaft and allow for their relative rotation, rocking and other movements relative to the housing, minimizing friction between the rotating pairs as much as possible to achieve high transmission efficiency.

Working principle and application of tapered roller bearings

Tapered roller bearings mainly support combined radial and axial loads with a predominance of radial loads. The load-bearing capacity of a bearing depends on the angle of the outer ring raceway: the larger the angle, the higher the load-bearing capacity. Tapered roller bearings have tapered inner and outer ring raceways with tapered rollers between them. The projection lines of all conical surfaces converge at one point on the bearing axis. This design makes tapered roller bearings particularly suitable for carrying combined (radial and axial) loads. The axial load carrying capacity of a bearing is largely determined by the contact angle α; The larger the angle α, the higher the axial load capacity. The magnitude of the angle is expressed by the calculated coefficient e; The larger the e value, the larger the contact angle and the higher the bearing's suitability for supporting axial loads.

Tapered roller bearings are typically split, meaning the tapered inner assembly, consisting of an inner ring with rollers and cage, can be mounted separately from the tapered outer ring (outer ring).

Tapered roller bearings are widely used in automobile manufacturing, rolling mills, mining, metallurgy, plastic machinery manufacturing and other industries.

Development Trends of Taper Roller Bearings in China

Since the founding of the People's Republic of China, the tapered roller bearing industry in China has achieved rapid development. However, at present, in terms of product development level, product quality, and production and manufacturing level, there is quite a large gap with long-time high-end tapered roller bearing manufacturers; In most cases, copying occurs and low grade tapered roller bearings predominate. Therefore, in recent years, China has been constantly increasing its efforts in scientific research and has achieved certain progress in product levels.

At present, the development trends of the tapered roller bearing industry in China are as follows: increasing production scale, increasing production investment; increasing research efforts, enhancing innovation, especially with an emphasis on bearing durability and reliability; continuous adjustment of a wide range of products, deepening research into the design and application technology of tapered roller bearings, expanding the production of specialized high-precision tapered roller bearings with high added value; priority development of bearing products with high speed, precision, reliability, long service life, low friction, low vibration, low noise and high technology.