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Main Dimensions & Performance Data
| d | 170 mm | Bore diameter |
| D | 310 mm | Outside diameter |
| 2B | 104 mm | Inner ring total width |
| 2T | 114 mm | Outer ring total width |
| Cr | 1,190,000 N | Basic dynamic load rating, radial |
| C0r | 1,620,000 N | Basic static load rating, radial |
| Cur | 205,000 N | Fatigue load limit, radial |
| nG | 2,500 1/min | Limiting speed |
| nϑr | 1,320 1/min | Thermal speed rating |
| ≈m | 35.4 kg | Weight |
Mounting dimensions
| da max | 203 mm | Maximum diameter of shaft shoulder |
| Da min | 269 mm | Minimum diameter of housing shoulder |
| Da max | 292 mm | Maximum diameter of housing shoulder |
| Ca min | 8 mm | Minimum axial space |
| rb max | 4 mm | Maximum fillet radius of housing |
Dimensions
| r3, 4 min | 4 mm | Minimum chamfer dimension of outer ring back face |
| A | 28 mm | Width of spacer |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| e | 0.43 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y1 | 1.55 | Dynamic axial load factor |
| Y2 | 2.31 | Dynamic axial load factor |
| Y0 | 1.52 | Static axial load factor |
Your current product variant
| Tolerance class | PNXL | Normal (ISO 492:2014), Tolerance of radial runout tKia, tKea and axial runout tSia reduced |
| Heat treatment | Standard | |
| Cage | Standard | Sheet steel cage, roller-guided |
| Axial internal clearance | A0-45 | Axial internal clearance between 0 and 45 µm |
| Quality level | XL | X-life |
| Matched arrangement | F | X arrangement |
| Number of rolling element rows | 2 | Double-row design |