21 0541 01 Bore 434 Mm, L-shaped Profile Ball Slewing Rings With External Gear With Spacers
The 21 0541 01 Flanged-type slewing bearings are widely used in Scenarios that require equipment weight, installation space, and rotational flexibility, but have medium or low load-bearing requirements, such as industrial robots (wrist joints), machine tools (tool magazines, turntables), automated equipment (robotic arms), medical equipment (surgical robots), packaging equipment, and aerospace (antenna drive mechanisms), among other fields.
The 21 0541 01 bearing is a L-shaped profile ball slewing rings with External gear with spacers with an inner diameter of 434 mm , an outer diameter of 640 mm, a width of 56 mm. It typically uses P0, P6, P5 grade precision tolerances and XC45 rings, GCr15 rolling mlement. It primarily bears axial, radial and tilting moment loads, its static radial rated load is approximately 400000 N. Double sealed type, NBR (Nitrile Butadiene Rubber). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
21 0541 01 bearings ( 434 mm x 640 mm x 56 mm) have the advantages of Lightweight, compact, flexible in operation, with good load-bearing capacity, and easy to install, and are therefore widely used in the Industrial robots, medical equipment (CT scanner), packaging machinery.
| Part Number | 21 0541 01 |
| Interchangeable | ROLLIX 21 0541 01 |
| Series | Light series 21 |
| Bearing Type | L-shaped profile ball slewing rings with External gear with spacers |
| Gearing type | External gear |
| Cages or spacers Material | Nylon (polyamide PA66) |
| Seal | Double sealed |
| Seal Material | NBR (Nitrile Butadiene Rubber) |
| Rows NO. | Single |
| Manufacturer Part Code | 21-0541-01 |
| Load | axial, radial and tilting moment loads |
| Accuracy class | P0, P6, P5 |
| Rolling Element Type | Balls |
| DIMENSIONS | |
| HT [mm] | 56 |
| Øde [mm] | 640 |
| He [mm] | 46 |
| Ødi [mm] | 434 |
| Hi [mm] | 46 |
| Bearing Weight [kg] | 43 |
| GEAR | |
| Module [mm] | 6 |
| Number of teeth - Z | 105 |
| W [mm] | 46 |
| Gear capacity unhardened [N] | 41000 |
| FASTENING HOLES | |
| External ring hole type | Blind |
| Øfe [mm] | 585 |
| Ne Number of holes on Outer Ring | 14 |
| Dhe [mm] | M12 |
| Inner ring hole type | Through |
| Øfi [mm] | 462 |
| Ni Number of holes on Inner Ring | 14 |
| Dhi [mm] | 18 |
| GREASING | |
| Ring with greasing holes (with M10 x 1.00 thread) | on Internal ring |
| Greasing hole type | Radial |
| Axial Load [Nm] | 400000 |
| Tilting Moment [N] | 45000 |
The 21 0541 01 Flange-type slewing bearings mainly consist of an inner or outer ring with a flange, another ring, rolling elements (steel balls or rollers), spacers, and sealing devices. The flange rings have mounting holes for direct bolt connection.
The flange structure of flange-type slewing bearings simplifies the installation process, eliminating the need for additional mounting seats, resulting in convenient assembly and precise positioning. They offer high overall rigidity, capable of simultaneously withstanding axial loads, radial loads, and overturning moments, while their compact structure saves space.
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