Design Principles

The design principle of spherical plain bearings is to provide two rows of rolling elements, typically barrel-shaped rollers, which are placed in a common spherical raceway. This allows them to accommodate both radial and axial loads simultaneously. The shape of the rollers allows them to adjust their position to accommodate misalignment of the bearing seats. The inner ring of the bearing has two raceways, both spherical in shape, with the ends of the rollers in contact with these two raceways, while the outer ring's raceway is spherical with its center at the center axis of the bearing.

Performance Features

The performance features of spherical plain bearings include:

• Self-aligning capability: Due to the spherical shape of the rollers and design of the raceway, these bearings can adjust themselves to accommodate misalignment caused by shaft bending or improper installation.
• High load capacity: They can withstand high radial and axial loads, making them suitable for heavy-duty applications.
• Adaptability to different working conditions: They can accommodate dimensional changes caused by thermal expansion of the shaft or movement of machinery.
• Shock absorption: They can provide a degree of shock absorption, which helps reduce noise and vibration during operation.
• Durability: With proper maintenance and lubrication, spherical plain bearings can have a long service life.

Application Scenarios

Spherical plain bearings are suitable for the following scenarios:

• Heavy machinery and equipment: Such as papermaking machinery, industrial gearboxes, mining equipment, rotary dryers, etc.
• Metallurgical industry: Suitable for rolling mills and furnace equipment under high temperature and heavy load conditions.
• Wind power generation: Bearings in wind turbines often need to withstand heavy loads and various weather conditions.
• Construction industry: Commonly used in construction equipment and cranes.
• Automotive industry: Used in the wheel hubs and drivetrains of some large commercial vehicles.