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21308-E1-XL-TVPB
Spherical Roller Bearing
Spherical roller bearings 213..-E1, main dimensions to DIN 635-2
Replaces
21308-E1-TVPB, 21308E1TVPB
Main Dimensions & Performance Data
| d | 40 mm | Bore diameter |
| D | 90 mm | Outside diameter |
| B | 23 mm | Width |
| Cr | 109,000 N | Basic dynamic load rating, radial |
| C0r | 107,000 N | Basic static load rating, radial |
| Cur | 14,600 N | Fatigue load limit, radial |
| nG | 9,800 1/min | Limiting speed |
| nϑr | 5,200 1/min | Reference speed |
| ≈m | 0.68 kg | Weight |
Mounting dimensions
| da min | 49 mm | Minimum diameter shaft shoulder |
| Da max | 81 mm | Maximum diameter of housing shoulder |
| ra max | 1.5 mm | Maximum recess radius |
Dimensions
| rmin | 1.5 mm | Minimum chamfer dimension |
| D1 | 80.8 mm | Bore diameter outer ring |
| d2 | 59.9 mm | Raceway diameter of the inner ring |
| ds | 3.2 mm | Diameter lubrication hole |
| ns | 4.8 mm | Width of lubricating groove |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Calculation factors
| e | 0.23 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y1 | 2.95 | Dynamic axial load factor |
| Y2 | 4.4 | Dynamic axial load factor |
| Y0 | 2.89 | Static axial load factor |
Downloads:
Your current product variant
| Design | E1 | Without central rip |
| Bore type | Z | Cylindrical |
| Cage | TVPB | Plastic cage |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
| Relubrication feature | Standard |
Characteristics
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