YN40F00019F0 Slewing Ring For Excavator KOBELCO SK200B
The YN40F00019F0 KOBELCO SK200B 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 YN40F00019F0 KOBELCO SK200B bearing is a Excavator slewing ring bearings with an inner diameter of 1083 mm , an outer diameter of 1311 mm, a width of 105 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.
YN40F00019F0 KOBELCO SK200B bearings ( 1083 mm x 1311 mm x 105 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.
| OEM Number YN40F00019F0 Excavator slewing ring bearings for Excavator KOBELCO SK200B | |
| Excavator brand | KOBELCO |
| Excavator model | SK200B |
| OEM Code | YN40F00019F0 |
| Precision | P0, P6, P5 |
| Cage Material | plastic or nylon |
| Seal Material | NBR (Nitrile Butadiene Rubber) |
| Dimensions | |
| d Inside diameter [inch] | 42.638 |
| D Outside diameter [inch] | 51.614 |
| H Total width [inch] | 4.134 |
| H1 Outer ring [inch] | 3.071 |
| H2 Inner ring [inch] | 3.740 |
| Outing Ring Holes | 33-22 |
| Inner Ring Holes | 36-M20X1.5 |
| Tooth Number | 110 |
| Weight [lb] | 540.127 |
The YN40F00019F0 KOBELCO SK200B 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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