03 0785 00 Bore 670 Mm, Single Row Standard Ball Slewing Rings Without Gear With Spacers
The 03 0785 00 Single-row four-point contact ball slewing bearings are widely used in rotational applications requiring the ability to withstand combined loads (axial force, radial force, and overturning moment) and demanding a compact structure and low self-weight, such as engineering machinery (truck cranes, excavators), wind power generation (yaw bearings), port machinery, photovoltaic tracking systems, robotics, and medical devices.
The 03 0785 00 bearing is a Single row standard ball slewing rings without gear with spacers with an inner diameter of 670 mm , an outer diameter of 900 mm, a width of 86 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, its static radial rated load is approximately 3700000 N. Double sealed type, NBR (Nitrile Butadiene Rubber). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
03 0785 00 bearings ( 670 mm x 900 mm x 86 mm) have the advantages of Compact structure, lightweight, small footprint, high cost-performance ratio, and are therefore widely used in the Robots, construction machinery, wind turbines, radar antennas, and various rotary worktables.
| Part Number | 03 0785 00 |
| Interchangeable | ROLLIX 03 0785 00 |
| Series | Series 03 |
| Bearing Type | Single 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. | Single |
| Manufacturer Part Code | 03-0785-00 |
| Load | axial, radial and tilting moment loads |
| Accuracy class | P0, P6, P5 |
| Rolling Element Type | Balls |
| DIMENSIONS | |
| HT [mm] | 86 |
| Øde [mm] | 900 |
| He [mm] | 77 |
| Ødi [mm] | 670 |
| Hi [mm] | 77 |
| Øce [mm] | 898 |
| Øci [mm] | 672 |
| Bearing Weight [kg] | 144 |
| FASTENING HOLES | |
| External ring hole type | Through |
| Øfe [mm] | 860 |
| Ne Number of holes on Outer Ring | 36 |
| Dhe [mm] | 22 |
| Inner ring hole type | Through |
| Øfi [mm] | 710 |
| Ni Number of holes on Inner Ring | 36 |
| Dhi [mm] | 22 |
| GREASING | |
| Ring with greasing holes (with M10 x 1.00 thread) | on External ring |
| Greasing hole type | Radial |
| Axial Load [Nm] | 3700000 |
| Tilting Moment [N] | 725000 |
The 03 0785 00 Single-row four-point contact ball slewing bearings mainly consist of an inner ring, an outer ring, steel balls, spacers, and a sealing device. The raceways are peach-shaped or arc-shaped, and the steel balls form four-point contact with the inner and outer ring raceways. Gears can be integrated into the inner and outer rings.
Single-row four-point contact ball slewing bearings feature a low axial height and light weight due to their single-row structure. One bearing can simultaneously withstand axial loads, radial loads, and overturning moments. The four-point contact design provides high load-bearing capacity, good rigidity, and easy installation and maintenance.
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