 2311SK NTN 55x120x43mm  da min. 64 mm Self aligning ball bearings
  2311SK NTN 55x120x43mm  da min. 64 mm Self aligning ball bearings
                                

| rs min | 2 mm | 
| Associated sleeve reference | H2311X | 
| e | 0.41 | 
| Y1 | 1.5 | 
| Y2 | 2.4 | 
| Y0 | 1.6 | 
| Radial clearance class | CN | 
| Precision class | P0 | 
| Mass | 2.03 kg | 
| Dynamic load, C | 76.5 kN | 
| Static load, C0 | 24 kN | 
| Nlim (oil) | 6.000 rpm | 
| Nlim (grease) | 4.800 rpm | 
| Min operating temperature, Tmin | -20 °C | 
| Max operating temperature, Tmax | 120 °C | 
| da min | 64 mm | 
| da max | 71 mm | 
| db min | 61 mm | 
| Ce min | 6 mm | 
| Da max | 111 mm | 
| ra max | 2 mm | 
| Bearing number | 2311SK | 
| Size (mm) | 55x120x43 | 
| Brand | NTN | 
| Bore Diameter (mm) | 55 | 
| Outer Diameter (mm) | 120 | 
| Width (mm) | 43 | 
| d | 55 mm | 
| D | 120 mm | 
| B | 43 mm | 
| C | 43 mm | 
| r min. | 2 mm | 
| da min. | 64 mm | 
| Da max. | 111 mm | 
| ra max. | 2 mm | 
| Weight | 2.03 Kg | 
| Basic dynamic load rating (C) | 76.5 kN | 
| Basic static load rating (C0) | 24 kN | 
| (Grease) Lubrication Speed | 4 800 r/min | 
| (Oil) Lubrication Speed | 6 000 r/min | 
| Calculation factor (e) | 0.41 | 
| Calculation factor (Y0) | 1.6 | 
| Calculation factor (Y1) | 1.5 | 
 Detailed  Parameters
  Detailed  Parameters
                                     parameter:
  parameter:
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