RKS.900155101001 Customized Four-point Contact Ball Slewing Bearings
The RKS.900155101001 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 RKS.900155101001 bearing is a Customized four-point contact ball slewing bearings with an inner diameter of 125 mm , an outer diameter of 234 mm, a width of 25 mm. 50Mn or 42CrMo rings, GCr15 rolling mlement. It primarily bears axial, radial, and tilting moments, Its dynamic axial rated load is approximately 80000 N, its static axial rated load is approximately 280000 N. Double Sealed type, non-reinforced acrylonitrile-butadiene rubber (NBR). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
RKS.900155101001 bearings ( 125 mm x 234 mm x 25 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 | RKS.900155101001 |
| Bearing Type | Customized four-point contact ball slewing bearings |
| Gear type | without gear |
| Weight [lb] | 13.228 |
| Interchangeable | SKF RKS.900155101001 |
| Rows NO. | One |
| Ca Dynamic Axial [lbf] | 17984 |
| C0a Static Axial [lbf] | 62944 |
| Raceway curves | r1. |
| Bolt curves | b1 |
| Dimension | |
| dm [inch] | 7.047 |
| d φ Inside [inch] | 4.921 |
| D Φ Outside [inch] | 9.213 |
| H Overall Hight [inch] | 0.984 |
| H1 Hight [inch] | 0.492 |
| D1 [inch] | 7.087 |
| d1 [inch] | 7.008 |
| bolt holes | |
| Je (Outer ring) [inch] | 8.425 |
| Ke (Outer ring) [mm] | 11 |
| Ne (Outer ring) | 24 |
| Ji (Inner ring) [inch] | 5.689 |
| Ki (Inner ring) [mm] | 11 |
| Ni (Inner ring) | 19 |
The RKS.900155101001 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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