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Main Dimensions & Performance Data
| d | 220 mm | Bore diameter |
| B | 76 mm | Width, inner ring |
| Cr | 890,000 N | Basic dynamic load rating, radial |
| C0r | 1,630,000 N | Basic static load rating, radial |
| Cur | 182,000 N | Fatigue load limit, radial |
| nG | 1,890 1/min | Limiting speed |
| nϑr | 1,140 1/min | Thermal speed rating |
| ≈m | 17.2 kg | Weight |
Mounting dimensions
| da max | 243 mm | Maximum diameter of shaft shoulder |
| db min | 234 mm | Minimum diameter of shaft shoulder |
| CRa min | 12 mm | Minimum axial space |
| ra max | 4 mm | Maximum fillet radius of shaft |
Dimensions
| r1, 2 min | 4 mm | Minimum chamfer dimension of inner ring back face |
| a | 73 mm | Distance between the apexes of the pressure cones |
| d1 | 280 mm | Guidance rib diameter of inner ring |
| T1 | 76 mm | Width, total of inner subunit assembled with a master outer ring |
| E | 292.464 mm | Inside diameter of outer ring back face |
| α | 16 ° | Contact angle |
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 |
| Y | 1.39 | Dynamic axial load factor |
| Y0 | 0.77 | Static axial load factor |
Additional information
T4FD220 | 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, window cage, roller-guided |
| Quality level | 0 | |
| Number of rolling element rows | 1 | Single-row design |