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Main Dimensions & Performance Data
| d | 66.675 mm | Bore diameter |
| B | 56.007 mm | Width, inner ring |
| Cr | 330,000 N | Basic dynamic load rating, radial |
| C0r | 385,000 N | Basic static load rating, radial |
| Cur | 65,000 N | Fatigue load limit, radial |
| nG | 6,300 1/min | Limiting speed |
| nϑr | 4,600 1/min | Thermal speed rating |
| ≈m | 2.3 kg | Weight |
Mounting dimensions
| da max | 77 mm | Maximum diameter of shaft shoulder |
| db min | 87 mm | Minimum diameter of shaft shoulder |
| CRa min | 4 mm | Minimum axial space |
| CRb max | 0.5 mm | Maximum axial space |
| ra max | 4.3 mm | Maximum fillet radius of shaft |
Dimensions
| r1, 2 min | 4.3 mm | Minimum chamfer dimension of inner ring back face |
| a | 37 mm | Distance between the apexes of the pressure cones |
| d1 | 98.4 mm | Guidance rib diameter of inner ring |
| T1 | 53.975 mm | Width, total of inner subunit assembled with a master outer ring |
| E | 105.668 mm | Inside diameter of outer ring back face |
| α | 12.20833 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| e | 0.32 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y | 1.85 | Dynamic axial load factor |
| Y0 | 1.02 | Static axial load factor |
Your current product variant
| Tolerance class | ABMA4XL | Class 4 (ANSI/ABMA 19.2:2013), Tolerance of radial runout tKia, tKea and axial runout tSia reduced |
| Heat treatment | W215FB | Bainitic hardened |
| Cage | Standard | Sheet steel cage, roller-guided |
| Internal design | Standard | |
| Quality level | XL | X-life |
| Number of rolling element rows | 1 | Single-row design |