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30356-XL
Tapered roller bearing
Tapered roller bearings 303, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs
Main Dimensions & Performance Data
| d | 280 mm | Bore diameter |
| D | 580 mm | Outside diameter |
| B | 108 mm | Width, inner ring |
| C | 90 mm | Width, outer ring |
| T | 119 mm | Width, total |
| Cr | 2,700,000 N | Basic dynamic load rating, radial |
| C0r | 3,250,000 N | Basic static load rating, radial |
| Cur | 340,000 N | Fatigue load limit, radial |
| nG | 1,470 1/min | Limiting speed |
| nϑr | 690 1/min | Thermal speed rating |
| ≈m | 136 kg | Weight |
Mounting dimensions
| da max | 345 mm | Maximum diameter of shaft shoulder |
| db min | 357 mm | Minimum diameter of shaft shoulder |
| Da min | 492 mm | Minimum diameter of housing shoulder |
| Da max | 548 mm | Maximum diameter of housing shoulder |
| Db min | 525 mm | Minimum diameter of housing shoulder |
| Ca min | 15 mm | Minimum axial space |
| Cb min | 29 mm | Minimum axial space |
| ra max | 7.5 mm | Maximum fillet radius of shaft |
| rb max | 6 mm | Maximum fillet radius of housing |
Dimensions
| r1, 2 min | 7.5 mm | Minimum chamfer dimension of inner ring back face |
| r3, 4 min | 6 mm | Minimum chamfer dimension of outer ring back face |
| a | 105 mm | Distance between the apexes of the pressure cones |
| d1 | 403.5 mm | Guidance rib diameter of inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| e | 0.35 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y | 1.74 | Dynamic axial load factor |
| Y0 | 0.96 | Static axial load factor |
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