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United States
11:19:36 GMT+0000 (Coordinated Universal Time)
30212-XL-DF-A75-110
Tapered roller bearing set
Tapered roller bearing set 302..-A-DF, X-arrangement
Product information
Main Dimensions & Performance Data
| d | 60 mm | Bore diameter |
| D | 110 mm | Outside diameter |
| 2B | 44 mm | Inner ring total width |
| 2T | 47.5 mm | Outer ring total width |
| Cr | 221,000 N | Basic dynamic load rating, radial |
| C0r | 246,000 N | Basic static load rating, radial |
| Cur | 37,500 N | Fatigue load limit, radial |
| nG | 7,500 1/min | Limiting speed |
| nϑr | 4,250 1/min | Thermal speed rating |
| ≈m | 1.9 kg | Weight |
Mounting dimensions
| da max | 70 mm | Maximum diameter of shaft shoulder |
| Da min | 96 mm | Minimum diameter of housing shoulder |
| Da max | 101 mm | Maximum diameter of housing shoulder |
| Ca min | 4 mm | Minimum axial space |
| rb max | 1.5 mm | Maximum fillet radius of housing |
Dimensions
| r3, 4 min | 1.5 mm | Minimum chamfer dimension of outer ring back face |
| A | 9.5 mm | Width of spacer |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Calculation factors
| e | 0.41 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y1 | 1.67 | Dynamic axial load factor |
| Y2 | 2.48 | Dynamic axial load factor |
| Y0 | 1.63 | Static axial load factor |