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R32009-XA
Tapered roller bearing
Tapered roller bearings without outer ring (Cone) 320, main dimensions to DIN ISO 355 / DIN 720
Product information
Metric
Imperial
Main Dimensions & Performance Data
| d | 45 mm | Bore diameter |
| B | 20 mm | Width, inner ring |
| Cr | 61,000 N | Basic dynamic load rating, radial |
| C0r | 86,000 N | Basic static load rating, radial |
| Cur | 10,500 N | Fatigue load limit, radial |
| nG | 9,400 1/min | Limiting speed |
| nϑr | 5,400 1/min | Thermal speed rating |
| ≈m | 0.25 kg | Weight |
Mounting dimensions
| da max | 51 mm | Maximum diameter of shaft shoulder |
| db min | 51 mm | Minimum diameter of shaft shoulder |
| CRa min | 4 mm | Minimum axial space |
| ra max | 1 mm | Maximum fillet radius of shaft |
Dimensions
| r1, 2 min | 1 mm | Minimum chamfer dimension of inner ring back face |
| a | 17 mm | Distance between the apexes of the pressure cones |
| d1 | 62 mm | Guidance rib diameter of inner ring |
| T1 | 20 mm | Width, total of inner subunit assembled with a master outer ring |
| E | 63.248 mm | Inside diameter of outer ring back face |
| α | 14.66667 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Calculation factors
| e | 0.39 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y | 1.53 | Dynamic axial load factor |
| Y0 | 0.84 | Static axial load factor |
Additional information
T3CC045 | Comparative designation to ISO 10317 and ISO 355 |
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| Tolerance class | P6X | Class 6X (ISO 492:2014) |
| Heat treatment | Standard | |
| Cage | Standard | Sheet steel cage, window cage, roller-guided |
| Quality level | Standard | |
| Number of rolling element rows | 1 | Single-row design |
Characteristics
