Select a different country or region to see content for your location.
United States
03:58:53 GMT+0000 (Coordinated Universal Time)
31314-H
Tapered roller bearing
Tapered roller bearings 313, main dimensions acc. to DIN 720, separable
Frequently bought together
Main Dimensions & Performance Data
| d | 70 mm | Bore diameter |
| D | 150 mm | Outside diameter |
| B | 35 mm | Width, inner ring |
| C | 25 mm | Width, outer ring |
| T | 38 mm | Width, total |
| Cr | 178,000 N | Basic dynamic load rating, radial |
| C0r | 219,000 N | Basic static load rating, radial |
| Cur | 26,500 N | Fatigue load limit, radial |
| nG | 3,760 1/min | Limiting speed |
| nϑr | 3,450 1/min | Thermal speed rating |
| ≈m | 2.88 kg | Weight |
Mounting dimensions
| da max | 84 mm | Maximum diameter of shaft shoulder |
| db min | 82 mm | Minimum diameter of shaft shoulder |
| Da min | 118 mm | Minimum diameter of housing shoulder |
| Da max | 138 mm | Maximum diameter of housing shoulder |
| Db min | 141 mm | Minimum diameter of housing shoulder |
| Ca min | 5 mm | Minimum axial space |
| Cb min | 13 mm | Minimum axial space |
| ra max | 3 mm | Maximum fillet radius of shaft |
| rb max | 2.5 mm | Maximum fillet radius of housing |
Dimensions
| r1, 2 min | 3 mm | Minimum chamfer dimension of inner ring back face |
| r3, 4 min | 2.5 mm | Minimum chamfer dimension of outer ring back face |
| a | 47 mm | Distance between the apexes of the pressure cones |
| d1 max | 111.7 mm | Maximum guidance rib diameter of inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Calculation factors
| e | 0.83 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y | 0.73 | Dynamic axial load factor |
| Y0 | 0.4 | Static axial load factor |
Additional information
T7GB070 | Comparative designation to ISO 10317 and ISO 355 |
Downloads:
Your current product variant
| Tolerance class | PN | Normal (ISO 492:2014) |
| Heat treatment | Standard | |
| Cage | Standard | Sheet steel cage, window cage, roller-guided |
| Internal design | Standard | |
| Quality level | H | |
| Number of rolling element rows | 1 | Single-row design |
Characteristics
