2303 NACHI Calculation factor (Y1) 1.28 17x47x19mm Self aligning ball bearings
| Bearing number | 2303 |
| Size (mm) | 17x47x19 |
| Brand | NACHI |
| Bore Diameter (mm) | 17 |
| Outer Diameter (mm) | 47 |
| Width (mm) | 19 |
| d | 17 mm |
| D | 47 mm |
| B | 19 mm |
| C | 19 mm |
| r1 min. | 1 mm |
| da min. | 22 mm |
| Da max. | 42 mm |
| ra max. | 1.0 mm |
| Weight | 0.158 Kg |
| Basic dynamic load rating (C) | 14.5 kN |
| Basic static load rating (C0) | 3.6 kN |
| (Grease) Lubrication Speed | 12000 r/min |
| (Oil) Lubrication Speed | 16000 r/min |
| Calculation factor (e) | 0.49 |
| Calculation factor (Y0) | 1.34 |
| Calculation factor (Y1) | 1.28 |
Detailed Parameters
parameter：
| HM237546DD/HM237510 Tapered roller bearings | Size :177.8x288.925x158.75mm ，Brand:Timken ，Bore Diameter :177.8mm ，Outer Diameter :288.925mm ，Width :158.75mm ，d:177.8 mm |
| 184120/184190H Tapered roller bearings | Bore Diameter :120mm ，Outer Diameter :190mm ，Size :120x190x108mm ，Brand:Gamet |
| 241/630-B-MB Spherical roller bearings | Bore Diameter :630mm ，Size :630x1030x400mm ，Outer Diameter :1030mm ，Brand:FAG |
| 22314MB Spherical roller bearings | Size :70x150x51mm ，Outer Diameter :150mm ，Brand:AST ，Bore Diameter :70mm |
| 8E-NK1-25X522X15-4PX1 Needle roller bearings | Brand:NTN ，Outer Diameter :52.2mm ，Size :25x52.2x15mm ，Width :15mm ，Bore Diameter :25mm |
| W208PPB5 Deep groove ball bearings | Bore Diameter :28.575mm ，Outer Diameter :80mm ，Size :28.575x80x39.52mm ，Brand:CYSD |
| NUP3211 Cylindrical roller bearings | Brand:CX ，Outer Diameter :100mm ，Size :55x100x33.3mm ，Bore Diameter :55mm ，Width :33.3mm |
| 503 Thrust ball bearings | Bore Diameter :17mm ，Width :20mm ，Outer Diameter :37mm ，Brand:INA ，Size :17x37x20mm |
| R-1760X2 Deep groove ball bearings | Outer Diameter :17mm ，Width :6mm ，Size :6x17x6mm ，Brand:NMB ，Bore Diameter :6mm |
| 317W Deep groove ball bearings | Size :85x180x41mm ，d:85 mm ，Bore Diameter :85mm ，Width :41mm ，Outer Diameter :180mm ，Brand:Timken |
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