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Main Dimensions & Performance Data
| d | 203.2 mm | Bore diameter |
| D | 317.5 mm | Outside diameter |
| B4 | 266.7 mm | Width of bearing inside |
| C4 | 266.7 mm | Width of bearing outside |
| Cr | 2,550,000 N | Basic dynamic load rating, radial |
| C0r | 4,800,000 N | Basic static load rating, radial |
| Cur | 475,000 N | Fatigue load limit, radial |
| ≈m | 79.6 kg | Weight |
Dimensions
| r1, 2 min | 1.5 mm | Minimum chamfer |
| r3, 4 min | 3.3 mm | Minimum chamfer |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Calculation factors
| e | 0.53 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y1 | 1.28 | Dynamic axial load factor |
| Y2 | 1.91 | Dynamic axial load factor |
| Y0 | 1.25 | Static axial load factor |
Your current product variant
| Tolerance class | ABMA4A | Class 4 (ANSI/ABMA 19.2:2013), improved tolerances |
| Heat treatment | Standard | Case hardened |
| Cage | Standard | Sheet steel cage, roller-guided |
| Axial internal clearance | A270-350 | Axial internal clearance between 270 and 350 µm |
| Quality level | Standard | |
| Matched arrangement | TQO | TQO arrangement |