21311-E1-XL-K-C3
Spherical roller bearing
Spherical roller bearings 213..-E1-K, main dimensions to DIN 635-2, with tapered bore, taper 1:12
Replaces
21311-E1-K-C3
Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 55 mm | Bore diameter |
| D | 120 mm | Outside diameter |
| B | 29 mm | Width |
| Cr | 160,000 N | Basic dynamic load rating, radial |
| C0r | 155,000 N | Basic static load rating, radial |
| Cur | 20,700 N | Fatigue load limit, radial |
| nG | 8,100 1/min | Limiting speed |
| nϑr | 5,100 1/min | Reference speed |
| ≈m | 1.6 kg | Weight |
Mounting dimensions
| da min | 66 mm | Minimum diameter shaft shoulder |
| da max | 71 mm | Maximum diameter of shaft shoulder |
| Da max | 109 mm | Maximum diameter of housing shoulder |
| ra max | 2 mm | Maximum recess radius |
| db min | 60 mm | Minimum cavity diameter of the sleeve |
| Ba min | 6 mm | Minimum cavity width of the sleeve |
Dimensions
| rmin | 2 mm | Minimum chamfer dimension |
| D1 | 98.3 mm | Bore diameter outer ring |
| d2 | 71.6 mm | Raceway diameter of the inner ring |
| ds | 3.2 mm | Diameter lubrication hole |
| ns | 6.5 mm | Width of lubricating groove |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °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 | 2.98 | Dynamic axial load factor |
| Y2 | 4.44 | Dynamic axial load factor |
| Y0 | 2.92 | Static axial load factor |
Additional information
| H311 | Adapter sleeve | |
| AHX311 | Withdrawal sleeve |
Downloads:
Your current product variant
| Design | E1 | without central rip |
| Bore type | K | Tapered, taper 1:12 |
| Cage | JPA | Sheet metal cage |
| Radial internal clearance | C3 | Group 3 (C3) |
| Relubrication feature | Standard |
Characteristics
