YRTM200 Bore 200 Mm, Combination Thrust And Radial Cylindrical Roller Bearings With Integrated Measuring System
The YRTM200 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 YRTM200 bearing is a Combination Thrust and Radial Cylindrical Roller Bearings with Integrated Measuring System with an inner diameter of 200 mm , an outer diameter of 300 mm, a width of 45 mm. 50Mn,42CrMo rings, Its dynamic radial rated load is approximately 89000 N, its static radial rated load is approximately 236000 N. Its dynamic axial rated load is approximately 98000 N, its static axial rated load is approximately 650000 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
YRTM200 bearings ( 200 mm x 300 mm x 45 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 indexing tables.
| Part Number | YRTM200 |
| Mounting | screw |
| Bearing Type | Combination Thrust and Radial Cylindrical Roller Bearings with Integrated Measuring System |
| Manufacturer Part Code | YRTM 200 |
| Series | YRTM |
| 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] | 9.7 |
| Reference From | INA YRTM200 |
| Qty of Assembly Screws | 2 |
| Main Dimensions | |
| d φ Inside [inch] | 7.874 |
| D Φ Outside [inch] | 11.811 |
| H High [inch] | 1.772 |
| H1 [inch] | 1.181 |
| HM [inch] | 0.394 |
| C [inch] | 0.591 |
| D1 [inch] | 10.787 |
| DM max [inch] | 10.677 |
| J [inch] | 8.465 |
| J1 [inch] | 11.220 |
| Performance | |
| Cr Dynamic Radial [lbf] | 20007 |
| C0r Static Radial [lbf] | 53052 |
| Ca Dynamic Axial [lbf] | 22030 |
| C0a Static Axial [lbf] | 146120 |
| nG Limiting speed (oil) [r/min] | 170 |
| Operating temperature - T(max) [°C] | 70 |
| Mounting dimensions | |
| d1 Fixing screws (Inner ring) [inch] | 0.276 |
| d2 Fixing screws (Inner ring) [inch] | 0.433 |
| a Fixing screws (Inner ring) [inch] | 0.244 |
| Fixing holes Inner ring Quantity | 46 |
| d3 Fixing screws (Outer ring) [inch] | 0.276 |
| Fixing holes Outer ring Quantity | 45 |
| n Pitch quantity | 48 |
| t Pitch separation angle [°] | 7.5 |
| G Threaded extraction hole | M8 |
| Threaded extraction hole Quantity | 3 |
| MA Screw tightening torque [Nm] | 14 |
| MR Bearing friction torque [Nm] | 14 |
| Additional information | |
| CaL Rigidity of bearing position (axial) [kN/µm] | 3 |
| CrL Rigidity of bearing position (radial) [kN/µm] | 3.5 |
| CkL Rigidity of bearing position (Tilting rigidity) [kNm/mrad] | 23 |
The YRTM200 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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