1. A slewing bearing is a large-scale rotary bearing capable of simultaneously supporting axial loads, radial loads, and overturning moments. Its unique design makes it a core component for achieving 360-degree rotation in various heavy-duty equipment. 2. Product Options: Single-row four-point contact ball slewing bearings, double-row reducing ball slewing bearings, three-row roller slewing bearings, and cross-roller slewing bearings. 3. Size Range: Inner diameter: 100mm to 7000mm, outer diameter: up to 10000mm, height range: 50mm to 500mm.