1311S NTN 55x120x29mm Outer Diameter 120mm Self aligning ball bearings
| rs min | 2 mm |
| e | 0.23 |
| Y1 | 2.7 |
| Y2 | 4.2 |
| Y0 | 2.8 |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 1.6 kg |
| Dynamic load, C | 51.5 kN |
| Static load, C0 | 17.9 kN |
| Nlim (oil) | 6.300 rpm |
| Nlim (grease) | 5.000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| da min | 64 mm |
| Da max | 111 mm |
| ra max | 2 mm |
| Bearing number | 1311S |
| Size (mm) | 55x120x29 |
| Brand | NTN |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 29 |
| d | 55 mm |
| D | 120 mm |
| B | 29 mm |
| C | 29 mm |
| r min. | 2 mm |
| da min. | 64 mm |
| Da max. | 111 mm |
| ra max. | 2 mm |
| Weight | 1.6 Kg |
| Basic dynamic load rating (C) | 51.5 kN |
| Basic static load rating (C0) | 17.9 kN |
| (Grease) Lubrication Speed | 5 000 r/min |
| (Oil) Lubrication Speed | 6 300 r/min |
| Calculation factor (e) | 0.23 |
| Calculation factor (Y0) | 2.8 |
| Calculation factor (Y1) | 2.7 |
Detailed Parameters
parameter：
| 22228BK Spherical roller bearings | Bore Diameter :140mm ，Brand:NTN ，Size :140x250x68mm ，d:140 mm ，Width :68mm ，Outer Diameter :250mm |
| K15x19x10 Needle roller bearings | Brand:SKF ，Outer Diameter :19mm ，Fw:15 mm ，Bore Diameter :15mm ，Ew:19 mm |
| 41126/41286 Tapered roller bearings | Outer Diameter :72.626mm ，Brand:ISO ，Size :28.575x72.626x24.608mm ，Bore Diameter :28.575mm ，Width :24.608mm |
| 4T-52375/52618 Tapered roller bearings | Y0:0.69 ，e:0.47 ，Y2:1.26 ，d1:131.5 mm ，Mass:2.76 kg |
| K6205-2RS Deep groove ball bearings | Outer Diameter :52mm ，Width :15mm ，Size :25x52x15mm ，d:25 mm ，Brand:CX ，Bore Diameter :25mm |
| GE 030 ECR-2RS Plain bearings | Width :22mm ，Outer Diameter :47mm ，Bore Diameter :30mm ，Brand:CX ，d:30 mm ，Size :30x47x22mm |
| 7210CTRSU Angular contact ball bearings | Size :50x90x20mm ，Outer Diameter :90mm ，d:50 mm ，Width :20mm ，Brand:NSK ，Bore Diameter :50mm |
| 6005L11-H-20DDU Deep groove ball bearings | d:25 mm ，Brand:NSK ，Bore Diameter :25mm ，Width :12mm ，Outer Diameter :47mm ，Size :25x47x12mm |
| 23944-MB-W33 Spherical roller bearings | Size :220x300x60mm ，Bore Diameter :220mm ，Outer Diameter :300mm ，Brand:NKE |
| K25X31X14H Needle roller bearings | Brand:Timken ，Fw:25 mm ，Outer Diameter :31mm ，Ew:31 mm ，Bore Diameter :25mm |
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