Select a different country or region to see content for your location.
United States
21:34:55 GMT+0000 (Coordinated Universal Time)
31328-X
Tapered roller bearing
Tapered roller bearings 313, main dimensions acc. to DIN 720, separable
Remanufacturable
Frequently bought together
Main Dimensions & Performance Data
| d | 140 mm | Bore diameter |
| D | 300 mm | Outside diameter |
| B | 70 mm | Width, inner ring |
| C | 47 mm | Width, outer ring |
| T | 77 mm | Width, total |
| Cr | 700.000 N | Basic dynamic load rating, radial |
| C0r | 910.000 N | Basic static load rating, radial |
| Cur | 105.000 N | Fatigue load limit, radial |
| nG | 2.250 1/min | Limiting speed |
| nϑr | 1.690 1/min | Thermal speed rating |
| ≈m | 21,9 kg | Weight |
Mounting dimensions
| da max | 169 mm | Maximum diameter of shaft shoulder |
| db min | 158 mm | Minimum diameter of shaft shoulder |
| Da min | 235 mm | Minimum diameter of housing shoulder |
| Da max | 282 mm | Maximum diameter of housing shoulder |
| Db min | 280 mm | Minimum diameter of housing shoulder |
| Ca min | 9 mm | Minimum axial space |
| Cb min | 30 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 | 94 mm | Distance between the apexes of the pressure cones |
| d1 | 223 mm | Guidance rib diameter of inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| e | 0,83 | 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
T7GB140 | Comparative designation to ISO 10317 and ISO 355 |
Operating conditions for bearing 31328-X
In work for 31328-X
CO₂e caused by friction during operation
Comprehensive information with immediate calculations of the CO2e emissions of our rotative products in various application scenarios.
Preset calculation parameters
Choose your calculations
Powered by Bearinx
Please add the remaining conditions.
CO₂e emissions
For Production info_outline
-
Rating life
Total Rating Life (Lh10)
-
Static safety (S0)
-
Your feedback helps us to continuously improve our product.
Access the benefits of the medias EasyCalc - Download now!
