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Amerika Birleşik Devletleri
22:10:03 GMT+0000 (Coordinated Universal Time)
31306-A
Tapered roller bearing
Tapered roller bearings 313, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs
Yerine geçer
31306A, 31306A.F21, 31306A.F22, 31306A.J42A
Tercih edilen ürün
Ürün bilgisi
Metrik
İngiliz ölçü sistemi
Main Dimensions & Performance Data
| d | 30 mm | Bore diameter |
| D | 72 mm | Outside diameter |
| B | 19 mm | Width, inner ring |
| C | 14 mm | Width, outer ring |
| T | 20,75 mm | Width, total |
| Cr | 45.000 N | Basic dynamic load rating, radial |
| C0r | 46.500 N | Basic static load rating, radial |
| Cur | 5.400 N | Fatigue load limit, radial |
| nG | 10.300 1/min | Limiting speed |
| nϑr | 6.400 1/min | Thermal speed rating |
| ≈m | 391 g | Ağırlık |
Mounting dimensions
| da max | 40 mm | Maximum diameter of shaft shoulder |
| db min | 37 mm | Minimum diameter of shaft shoulder |
| Da min | 55 mm | Minimum diameter of housing shoulder |
| Da max | 65 mm | Maximum diameter of housing shoulder |
| Db min | 68 mm | Minimum diameter of housing shoulder |
| Ca min | 3 mm | Minimum axial space |
| Cb min | 6,5 mm | Minimum axial space |
| ra max | 1,5 mm | Maximum fillet radius of shaft |
| rb max | 1,5 mm | Maximum fillet radius of housing |
Dimensions
| r1, 2 min | 1,5 mm | Minimum chamfer dimension of inner ring back face |
| r3, 4 min | 1,5 mm | Minimum chamfer dimension of outer ring back face |
| a | 24 mm | Distance between the apexes of the pressure cones |
| d1 | 54 mm | 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
T7FB030 | Comparative designation to ISO 10317 and ISO 355 |