2311 NACHI 55x120x43mm Da max. 111 mm Self aligning ball bearings
| Bearing number | 2311 |
| Size (mm) | 55x120x43 |
| Brand | NACHI |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 43 |
| d | 55 mm |
| D | 120 mm |
| B | 43 mm |
| C | 43 mm |
| r1 min. | 2 mm |
| da min. | 64 mm |
| Da max. | 111 mm |
| ra max. | 2.0 mm |
| Weight | 2.100 Kg |
| Basic dynamic load rating (C) | 75.3 kN |
| Basic static load rating (C0) | 24 kN |
| (Grease) Lubrication Speed | 4500 r/min |
| (Oil) Lubrication Speed | 5700 r/min |
| Calculation factor (e) | 0.41 |
| Calculation factor (Y0) | 1.60 |
| Calculation factor (Y1) | 1.53 |
Detailed Parameters
parameter：
| 30215A Tapered roller bearings | Width :27.25mm ，Size :75x130x27.25mm ，Brand:SNR ，Bore Diameter :75mm ，Outer Diameter :130mm |
| FL618/8 Deep groove ball bearings | Outer Diameter :16mm ，Size :8x16x4mm ，Width :4mm ，Brand:CX ，Bore Diameter :8mm ，d:8 mm |
| 567A/563 Tapered roller bearings | Size :71.438x127x36.512mm ，Brand:ISO ，Width :36.512mm ，d:71.438 mm ，Bore Diameter :71.438mm ，Outer Diameter :127mm |
| HM220149/HM220110 Tapered roller bearings | Bore Diameter :99.975mm ，Size :99.975x156.975x42mm ，Brand:Fersa ，Outer Diameter :156.975mm |
| 6810-2RS Deep groove ball bearings | Width :7mm ，Brand:CYSD ，Outer Diameter :65mm ，Size :50x65x7mm ，Bore Diameter :50mm ，d:50 mm |
| NJ2322-E-TVP3 Cylindrical roller bearings | Outer Diameter :240mm ，Bore Diameter :110mm ，Brand:NKE ，Size :110x240x80mm |
| AB12624 Deep groove ball bearings | Size :45x72x16mm ，Width :16mm ，Bore Diameter :45mm ，Outer Diameter :72mm ，Brand:SNR |
| MR74-2Z Deep groove ball bearings | d:4 mm ，Outer Diameter :7mm ，Width :2.5mm ，Brand:ZEN ，Size :4x7x2.5mm ，Bore Diameter :4mm |
| NH2205 E Cylindrical roller bearings | Outer Diameter :52mm ，Bore Diameter :25mm ，Size :25x52x18mm ，Brand:CX |
| NUP 224 Cylindrical roller bearings | Bore Diameter :120mm ，Brand:SIGMA ，Outer Diameter :215mm ，Size :120x215x40mm ，Width :40mm |
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