13-3000-00 Bore 2743 Mm, Double Row Standard Ball Slewing Rings Without Gear With Spacers
The 13-3000-00 Double-row four-point contact ball slewing bearings are widely used in Heavy-duty applications with extremely high load-bearing capacity requirements and limited installation space, such as large-scale construction machinery (large-tonnage cranes, excavators), wind power generation (main bearings), port machinery (quay cranes, stacker-reclaimers), mining machinery, tunnel boring machines, and large radar antennas, among other fields.
The 13-3000-00 bearing is a Double row standard ball slewing rings without gear with spacers with an inner diameter of 2743 mm , an outer diameter of 3255 mm, a width of 242 mm. It typically uses P0, P6, P5 grade precision tolerances and XC45 or 42CrMo4 rings, GCr15 rolling mlement. It primarily bears axial, radial and tilting moment loads, Double sealed type, NBR (Nitrile Butadiene Rubber). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
13-3000-00 bearings ( 2743 mm x 3255 mm x 242 mm) have the advantages of high load-bearing capacity, good rigidity, stable structure, and strong impact resistance, and are therefore widely used in the Large excavators, tower cranes, and yaw bearings for wind power generation.
| Part Number | 13-3000-00 |
| Interchangeable | ROLLIX 13-3000-00 |
| Series | Series 13 |
| Bearing Type | Double row standard ball slewing rings without gear with spacers |
| Gearing type | without gear |
| Cages or spacers Material | Nylon (polyamide PA66) |
| Seal | Double sealed |
| Seal Material | NBR (Nitrile Butadiene Rubber) |
| Rows NO. | Double |
| Manufacturer Part Code | 13 3000 00 |
| Load | axial, radial and tilting moment loads |
| Accuracy class | P0, P6, P5 |
| Rolling Element Type | Balls |
| DIMENSIONS | |
| HT [mm] | 242 |
| Øde [mm] | 3255 |
| He [mm] | 230 |
| Ødi [mm] | 2743 |
| Hi [mm] | 230 |
| Øce [mm] | 3252 |
| Øci [mm] | 2745 |
| Bearing Weight [kg] | 3797 |
| FASTENING HOLES | |
| External ring hole type | Through |
| Øfe [mm] | 3150 |
| Ne Number of holes on Outer Ring | 72 |
| Dhe [mm] | 52 |
| Inner ring hole type | Through |
| Øfi [mm] | 2850 |
| Ni Number of holes on Inner Ring | 72 |
| Dhi [mm] | 52 |
| GREASING | |
| Ring with greasing holes (with M10 x 1.00 thread) | on Internal ring |
| Greasing hole type | Radial |
The 13-3000-00 Double-row four-point contact ball slewing bearings mainly consist of an inner ring, an outer ring, upper and lower rows of steel balls, spacers, and a sealing device. The two rows of steel balls make four-point contact within the raceway, and gears can be integrated into the inner and outer rings, resulting in a compact structural layout.
Double-row four-point contact ball slewing bearings utilize a double-row ball structure, significantly improving load-bearing capacity. They can simultaneously withstand axial loads, radial loads, and overturning moments, and offer superior rigidity compared to single-row structures. With a moderate overall height, they ensure stable and reliable installation, making them suitable for heavy-duty applications.
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