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32911-H
Tapered roller bearing
Tapered roller bearings 329, main dimensions acc. to DIN 720, separable
Preferred product
Frequently bought together
Main Dimensions & Performance Data
| d | 55 mm | Bore diameter |
| D | 80 mm | Outside diameter |
| B | 17 mm | Width, inner ring |
| C | 14 mm | Width, outer ring |
| T | 17 mm | Width, total |
| Cr | 44.200 N | Basic dynamic load rating, radial |
| C0r | 78.000 N | Basic static load rating, radial |
| Cur | 9.200 N | Fatigue load limit, radial |
| nG | 7.120 1/min | Limiting speed |
| nϑr | 4.650 1/min | Thermal speed rating |
| ≈m | 0,304 kg | Weight |
Mounting dimensions
| da max | 61 mm | Maximum diameter of shaft shoulder |
| db min | 61 mm | Minimum diameter of shaft shoulder |
| Da min | 73 mm | Minimum diameter of housing shoulder |
| Da max | 74 mm | Maximum diameter of housing shoulder |
| Db min | 76 mm | Minimum diameter of housing shoulder |
| Ca min | 4 mm | Minimum axial space |
| Cb min | 3 mm | Minimum axial space |
| ra max | 1 mm | Maximum fillet radius of shaft |
| rb max | 1 mm | Maximum fillet radius of housing |
Dimensions
| r1, 2 min | 1 mm | Minimum chamfer dimension of inner ring back face |
| r3, 4 min | 1 mm | Minimum chamfer dimension of outer ring back face |
| a | 14 mm | Distance between the apexes of the pressure cones |
| d1 max | 70,5 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 | 0,31 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y | 1,94 | Dynamic axial load factor |
| Y0 | 1,07 | Static axial load factor |
Additional information
T2BC055 | Comparative designation to ISO 10317 and ISO 355 |
Downloads:
Your current product variant
| Tolerance class | P6X | Class 6X (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
