Slewing Ring For Excavator SUMITOMO SH200Q/Z3
The SUMITOMO SH200Q/Z3 Excavator slewing ring bearings are primarily used in the slewing platforms of construction machinery—such as excavators, mobile cranes, and tower cranes—to enable 360-degree rotation of the upper structure. They are also widely utilized in rotating mechanisms subject to combined loads, including wind turbine yaw systems, robotic turntables, medical CT scanner gantries, port machinery, and tunnel boring equipment.
The SUMITOMO SH200Q/Z3 bearing is a Excavator slewing ring bearings with an inner diameter of 1094 mm , an outer diameter of 1330 mm, a width of 102.5 mm. It typically uses P0, P6, P5 grade precision tolerances and 50Mn or 42CrMo rings, GCr15 rolling mlement. It primarily bears radial, axial and moment load, Double seal type, NBR (Nitrile Butadiene Rubber). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
SUMITOMO SH200Q/Z3 bearings ( 1094 mm x 1330 mm x 102.5 mm) have the advantages of High load capacity and compact design, long life and high reliability, and are therefore widely used in the Tracked excavators, wheeled excavators.
| Excavator slewing ring bearings for Excavator SUMITOMO SH200Q/Z3 | |
| Excavator brand | SUMITOMO |
| Excavator model | SH200Q/Z3 |
| Precision | P0, P6, P5 |
| Cage Material | plastic or nylon |
| Seal Material | NBR (Nitrile Butadiene Rubber) |
| Dimensions | |
| d Inside diameter [inch] | 43.071 |
| D Outside diameter [inch] | 52.362 |
| H Total width [inch] | 4.035 |
| Weight [lb] | 493.830 |
The SUMITOMO SH200Q/Z3 Excavator slewing ring bearings primarily consist of an inner ring, an outer ring, rolling elements (steel balls or cylindrical rollers), spacers or a cage, sealing devices, and lubrication holes. Mounting holes are typically machined into the inner and outer rings, and some models feature internal or external gear teeth for meshing with a drive gear.
This bearing features a compact structure capable of simultaneously withstanding axial loads, radial loads, and tilting moments. It offers high rigidity and smooth rotation, while being easy to install and maintain. The gear ring design enables active rotary drive, and the sealing structure effectively prevents the ingress of dust and moisture, making it suitable for harsh operating conditions.
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