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Main Dimensions & Performance Data
| d | 320 mm | Bore diameter |
| D | 480 mm | Outside diameter |
| B | 100 mm | Width, inner ring |
| C | 74 mm | Width, outer ring |
| TF | 44 mm | Width assembled flange bearing |
| Cr | 1,560,000 N | Basic dynamic load rating, radial |
| C0r | 3,050,000 N | Basic static load rating, radial |
| Cur | 310,000 N | Fatigue load limit, radial |
| nG | 1,310 1/min | Limiting speed |
| nϑr | 690 1/min | Thermal speed rating |
| ≈m | 61.5 kg | Weight |
Mounting dimensions
| da max | 350 mm | Maximum diameter of shaft shoulder |
| db min | 338 mm | Minimum diameter of shaft shoulder |
| Da min | 424 mm | Minimum diameter of housing shoulder |
| Da max | 462 mm | Maximum diameter of housing shoulder |
| Db min | 461 mm | Minimum diameter of housing shoulder |
| Ca min | 15 mm | Minimum axial space |
| Cb min | 26 mm | Minimum axial space |
| ra max | 5 mm | Maximum fillet radius of shaft |
| rb max | 4 mm | Maximum fillet radius of housing |
Dimensions
| r1, 2 min | 5 mm | Minimum chamfer dimension of inner ring back face |
| r3, 4 min | 4 mm | Minimum chamfer dimension of outer ring back face |
| a | 104 mm | Distance between the apexes of the pressure cones |
| d1 | 397.5 mm | Guidance rib diameter of inner ring |
| D1 | 496 mm | Outside diameter flange |
| C1 | 18 mm | Width flange |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| e | 0.46 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y | 1.31 | Dynamic axial load factor |
| Y0 | 0.72 | Static axial load factor |
Additional information
T4GD320 | Comparative designation to ISO 10317 and ISO 355 |
Your current product variant
| Tolerance class | PN | Normal (ISO 492:2014) |
| Heat treatment | Standard | |
| Cage | Standard | Sheet steel cage, roller-guided |
| Internal design | Standard | |
| Quality level | Standard |