Detailed description

| Part Number | YRTC120-VSP5-PRL50 |
| Mounting | screw |
| Bearing Type | Axial/radial bearings, double direction, YRT |
| Manufacturer Part Code | YRTC120 |
| Suffixes | VSP = Preloaded |
| Series | YRTC |
| Alias | Super Precision Bearings for Rotary Tables |
| m Weight [kg] | 4.61 |
| Reference From | INA YRTC120-VSP5-PRL50 |
| Main Dimensions | |
| d φ Inside [inch] | 4.724 |
| d tolerance [mm] | 0 -0.01 |
| D Φ Outside [inch] | 8.268 |
| D tolerance [mm] | 0 -0.015 |
| H High [inch] | 1.575 |
| H1 [inch] | 1.024 |
| H2 [inch] | 0.551 |
| C [inch] | 0.472 |
| D1 [inch] | 7.283 |
| J [inch] | 5.315 |
| J1 [inch] | 7.677 |
| Performance | |
| Cr Dynamic Radial [lbf] | 15497 |
| C0r Static Radial [lbf] | 27846 |
| Ca Dynamic Axial [lbf] | 25127 |
| C0a Static Axial [lbf] | 116874 |
| nG Limiting speed (oil) [r/min] | 887 |
| Operating temperature - T(min) [°C] | -30 |
| Operating temperature - T(max) [°C] | 120 |
| 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 | 22 |
| d3 Fixing screws (Outer ring) [inch] | 0.276 |
| Fixing holes Outer ring Quantity | 21 |
| n Pitch quantity | 24 |
| t Pitch separation angle [°] | 15 |
| t1 Axial and radial runout [µm] | 3 |
| G Threaded extraction hole | M8 |
| Threaded extraction hole Quantity | 3 |
| MA Screw tightening torque [Nm] | 14 |
| MR Bearing friction torque [Nm] | 4 |
| Additional information | |
| CaL Rigidity of bearing position (axial) [kN/µm] | 2.9 |
| CrL Rigidity of bearing position (radial) [kN/µm] | 2.6 |
| CkL Rigidity of bearing position (Tilting rigidity) [kNm/mrad] | 11.2 |
| CaL Rigidity of bolling element set (axial) [kN/µm] | 9.8 |
| CrL Rigidity of bolling element set (radial) [kN/µm] | 4 |
| CkL Rigidity of bolling element set (Tilting rigidity) [kNm/mrad] | 35.5 |















