The HFH 11251055103130 is a genuine single row four point contact ball slewing bearing, featuring an internal gear design. This robust bearing provides reliable rotational support with an outer diameter of 270 mm, an inner diameter of 190 mm, and a height of 30 mm. It is equipped with 16 mounting holes (8 on inner, 8 on outer) suitable for M10 bolts, with bolt circle diameters of 230 mm (outer) and 210 mm (inner). This slewing bearing is commonly used in various heavy machinery applications, including excavators, cranes, and other construction equipment.