roller slewing ring
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| Bearings Name | New Model | Old Model: | ID(mm) | OD(mm) | Width(mm) | Cr(kN) | Cor(kN) | Grease Lubrication Speed(r/min) | Oil Lubrication Speed(r/min) | Weight(kg) |
| Large Size Turntable Slewing Ring Bearing Cross Roller Bearing For Excavator | 010.20.224 | 010.20.224 | 144 | 304 | 60 | - | - | - | - | 70 |
| komatsu pc70-8 small sy215 ring cross roller slewing bearing | 012.40.800 | - | 678 | 922 | 100 | - | - | - | - | 220.000 |
| PC200-7 Mini Excavator Swing Bearing SY215 Slewing Ring Cross Roller Slewing Bearing | 020.30.1120 | - | 978 | 1262 | 124 | - | - | - | - | 340.000 |
| Hyundai R250LC-7 Swing Bearing 2ton excavator machine bearing Slewing ring 5 axis cnc CROSS ROLLER BEARING | 020.25.560 | - | 444 | 676 | 106 | - | - | - | - | 115.000 |
roller slewing ring, also known as a crossed roller bearing or crossed roller slewing ring, is a type of Slewing Bearing that utilizes cylindrical rollers instead of balls as the rolling elements. It is designed to handle high axial, radial, and moment loads while providing precise rotational movement.
The roller slewing ring consists of two raceway rings: an inner ring and an outer ring. The raceways are in the shape of a V groove, and the rollers are arranged in a crossed pattern between the raceways. This crossed arrangement allows the rollers to bear loads in multiple directions and provides high load-carrying capacity.
The design of the roller slewing ring offers several advantages over ball slewing bearings. The crossed roller configuration increases the contact area between the rollers and the raceways, distributing the load more evenly and reducing stress concentration. This results in improved load capacity, rigidity, and rotational accuracy.
The roller slewing ring is commonly used in applications that require precise positioning and smooth rotation, such as robotics, machine tools, industrial automation, and rotary tables. Its compact design and high load capacity make it suitable for applications where space is limited or weight needs to be minimized.
It's important to note that roller slewing rings require proper lubrication and periodic maintenance to ensure optimal performance and longevity. Regular inspection, monitoring for wear, and addressing any issues promptly are essential for the reliable operation of roller slewing ring systems.
In summary, a roller slewing ring is a type of slewing bearing that utilizes crossed cylindrical rollers to provide high load capacity, rigidity, and precise rotational movement. It is commonly used in applications that require accurate positioning and smooth rotation, such as robotics and machine tools.
