External-toothed slewing bearing

ball bearingaxialradial

Slewing Bearings (also known as Slewing Rings) are large, heavy-duty bearings used in machinery that requires rotational movement, such as cranes, excavators, wind turbines, and large industrial equipment. These bearings are designed to support high axial, radial, and moment loads simultaneously, and they are essential for applications where a heavy load needs to rotate around a central axis. High Load Capacity Slewing bearings are built to support a combination of axial loads (along the bearing’s axis), radial loads (perpendicular to the axis), and tilting moments (torque), making them ideal for heavy-duty applications. Large Diameter These bearings are typically large in diameter compared to conventional bearings. Their size allows them to carry the substantial loads required by equipment such as cranes, excavators, and radar systems. Multiple Functions Slewing bearings are capable of handling a range of forces simultaneously, including axial, radial, and moment (bending) forces. This makes them versatile in supporting rotating structures that also require high levels of stability. Low Speed, High Torque Applications Slewing bearings are typically used in applications where there is slow rotation but high torque or load, such as in construction machinery, marine applications, and industrial rotating equipment. Sealed for Protection Slewing bearings are often sealed to prevent dirt, dust, and moisture from entering, which can cause premature wear. The seals also ensure the lubrication stays inside the bearing, which prolongs the life of the bearing. Structure of Slewing Bearings: Slewing bearings typically consist of the following main components: