Single row four point contact ball slewing bearing is composed of two seat rings, with compact structure and light weight. The steel ball is in four point contact with the arc raceway, and can bear axial force, radial force and tipping torque at the same time. It can be selected for rotary conveyor, welding operator, small and medium-sized crane, excavator and other construction machinery.
1. N1 is the number of lubricating oil holes, evenly distributed: oil cup M10 × 1 JB/T7940. 1-JB/T7940. two
2. Mounting hole n- Φ Screw holes can be used instead; The tooth width B can be changed to h-h.
3. The circumferential force of the gear in the table is the maximum circumferential force, and the rated circumferential force is taken as 1 / 2.