YRTE260 Bore 260 Mm, Axial/radial Bearings, Double Direction, YRTE
The YRTE260 Rotary table bearings are suitable for high-precision, high-rigidity rotary applications. Classic applications include CNC machine tool rotary tables and indexing tables, industrial robot joints, military radar antennas, aerospace measurement equipment, astronomical telescopes, and medical devices.
The YRTE260 bearing is a Axial/radial bearings, double direction, YRTE with an inner diameter of 260 mm , an outer diameter of 385 mm, a width of 55 mm. 50Mn,42CrMo rings, Its dynamic radial rated load is approximately 101868 N, its static radial rated load is approximately 309793 N. Its dynamic axial rated load is approximately 108922 N, its static axial rated load is approximately 809899 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
YRTE260 bearings ( 260 mm x 385 mm x 55 mm) have the advantages of It can withstand axial, radial and overturning moments simultaneously, has a compact structure, is easy to install, and is suitable for heavy-duty rotation, and are therefore widely used in the high-end CNC machine tools, robots, measurement and semiconductor equipment.
| Part Number | YRTE260 |
| Mounting | screw |
| Bearing Type | Axial/radial bearings, double direction, YRTE |
| Manufacturer Part Code | YRTE 260 |
| Series | YRTE |
| Seal type | Open |
| Rolling Element Type | cylindrical rollers |
| Rolling Element Material | GCr15 |
| Ring Material | 50Mn,42CrMo |
| Rows NO. | Three |
| Alias | Super Precision Bearings for Rotary Tables |
| m Weight [kg] | 18.3 |
| Reference From | INA YRTE260 |
| Main Dimensions | |
| d φ Inside [inch] | 10.236 |
| d tolerance [mm] | -0.035 to 0 |
| D Φ Outside [inch] | 15.157 |
| D tolerance [mm] | -0.04 to 0 |
| H High [inch] | 2.165 |
| H1 [inch] | 1.437 |
| H2 [inch] | 0.728 |
| H3 [inch] | 0.906 |
| C [inch] | 0.709 |
| D1 [inch] | 13.583 |
| D2 [inch] | 11.693 |
| J [inch] | 11.024 |
| J1 [inch] | 14.370 |
| Performance | |
| Cr Dynamic Radial [lbf] | 22899 |
| C0r Static Radial [lbf] | 69641 |
| Ca Dynamic Axial [lbf] | 24485 |
| C0a Static Axial [lbf] | 182065 |
| nG Limiting speed (oil) [r/min] | 124 |
| Operating temperature - T(min) [°C] | -30 |
| Operating temperature - T(max) [°C] | 120 |
| Mounting dimensions | |
| d1 Fixing screws (Inner ring) [inch] | 0.366 |
| Fixing holes Inner ring Quantity | 34 |
| d3 Fixing screws (Outer ring) [inch] | 0.366 |
| Fixing holes Outer ring Quantity | 33 |
| n Pitch quantity | 36 |
| t Pitch separation angle [°] | 10 |
| t1 Axial and radial runout [µm] | 12 |
| G Threaded extraction hole | M12 |
| Threaded extraction hole Quantity | 3 |
| MA Screw tightening torque [Nm] | 34 |
| MR Bearing friction torque [Nm] | 25 |
| Additional information | |
| CaL Rigidity of bolling element set (axial) [kN/µm] | 13.7 |
| CrL Rigidity of bolling element set (radial) [kN/µm] | 8.1 |
| CkL Rigidity of bolling element set (Tilting rigidity) [kNm/mrad] | 152 |
The YRTE260 Rotary table bearings are precision bearings with a thrust-radial combined structure. They mainly consist of a housing ring, a shaft ring, two rows of axial cylindrical roller cage assemblies, and one row of radial cylindrical roller cage assemblies. The housing ring and shaft ring are evenly distributed with mounting screw holes for easy direct fixing.
The advantages of rotary table bearing design are that it can simultaneously withstand radial loads, bidirectional axial loads and overturning moments. The negative clearance preload design ensures extremely high rigidity and rotational accuracy. Moreover, the compact structure greatly simplifies rotary table design and reduces installation and maintenance costs.
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