The self-aligning roller bearings used in agricultural machinery have the advantages of automatic centering, high load-bearing capacity, shock and vibration resistance, adaptability to harsh working conditions, flexible installation, and long service life. The specific analysis is as follows:
Automatic centering function: The symmetrical drum shaped rollers of the self-aligning roller bearings can be freely adjusted in the outer ring ball surface raceway, compensating for the bending or misalignment of the shaft or mating surface, and the allowable centering angle is usually 1 ° -2.5 °. This feature enables it to maintain stable operation and reduce failure rates in agricultural machinery operations, even if the axis is offset due to uneven ground or component installation errors.
High load-bearing capacity: Its double row roller design can simultaneously withstand high radial and bidirectional axial forces, especially suitable for scenarios in agricultural machinery that bear heavy loads or vibration loads, such as tractor transmission systems, combine harvester threshing devices, etc. The optimized raceway surface and high-performance materials further enhance the rated dynamic load and lifespan, and some models can achieve equivalent load-bearing requirements by reducing size.
Anti impact and anti vibration performance: The rollers of the self-aligning roller bearing are in line contact with the raceway, with uniform stress distribution and high structural rigidity, which can effectively absorb the impact and vibration during agricultural machinery operation and extend the service life of the equipment.
. For example, in vibration machinery such as vibrating screens and crushers, their impact resistance characteristics can reduce the risk of bearing damage.Adapt to harsh working conditions: Agricultural machinery often works in dusty, humid, or high-temperature environments. Through sealing design (such as built-in contact seals) and lubrication optimization (such as annular oil grooves and oil holes), self-aligning roller bearings can prevent impurities from entering and reduce lubricant loss, ensuring reliable operation under harsh conditions.
. The working temperature range of some models can reach -30 ℃ to+200 ℃, meeting different climate requirements.Installation flexibility: The inner ring provides two designs: cylindrical holes and conical holes (with a taper of 1:12 or 1:30). The conical hole model can be installed on the optical axis with a tightening sleeve or a retraction sleeve, without the need for machining and positioning the shaft shoulder, simplifying the installation process and facilitating maintenance.
. This feature is particularly useful in agricultural machinery maintenance or component replacement.Long life and low maintenance cost: High performance materials, optimized kinematic performance, and precision manufacturing processes significantly improve bearing life and reduce downtime maintenance frequency.
. For agricultural machinery users, this means lower long-term usage costs and higher operational efficiency.