The HFH KDL.I.0544.00.10 is a genuine single row four point contact ball slewing bearing, designed for robust performance in various heavy machinery applications. It features an outer diameter of 640 mm, an inner diameter of 450 mm, and a height of 50 mm. Constructed from durable materials such as 42CrMo and 50Mn for the rings, and 40Cr for the balls, ensuring longevity and reliability. This bearing has 24 mounting holes on both inner and outer rings, suitable for M16 bolts, with pitch circle diameters of 580 mm and 490 mm respectively.