The three row roller type slewing ring has three races. The upper, lower and radial raceways are separated respectively, so that the load of each row of rollers can be determined accurately. It can bear all kinds of loads at the same time. It is the largest one of the four products with large axial and radial dimensions and firm structure. It is especially suitable for heavy machinery requiring large diameter, such as bucket wheel excavator, wheel crane, marine crane, port crane, steel and water transportation turntable and large tonnage truck crane.

Note:

1. N1 is the number of lubricating oil holes. Oil cup M10 × 1 JB / t7940.1 ~ JB / t7940

2. According to the application, the user can specify the oil hole position

3. N - φ can be changed to threaded hole, thread diameter m, thread depth 2m

4. The gear peripheral force in the table is the maximum peripheral force, and the rated peripheral force is 1 / 2 of it.

5. "K" is the cutting coefficient.