2308 NACHI r1 min. 1.5 mm 40x90x33mm Self aligning ball bearings
| Bearing number | 2308 |
| Size (mm) | 40x90x33 |
| Brand | NACHI |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 33 |
| d | 40 mm |
| D | 90 mm |
| B | 33 mm |
| C | 33 mm |
| r1 min. | 1.5 mm |
| da min. | 48 mm |
| Da max. | 82 mm |
| ra max. | 1.5 mm |
| Weight | 0.925 Kg |
| Basic dynamic load rating (C) | 44.9 kN |
| Basic static load rating (C0) | 13.5 kN |
| (Grease) Lubrication Speed | 6200 r/min |
| (Oil) Lubrication Speed | 7800 r/min |
| Calculation factor (e) | 0.43 |
| Calculation factor (Y0) | 1.54 |
| Calculation factor (Y1) | 1.47 |
Detailed Parameters
parameter：
| 7205B Angular contact ball bearings | Brand:ZEN ，Outer Diameter :52mm ，Bore Diameter :25mm ，Size :25x52x15mm |
| 21312AXK Cylindrical roller bearings | d:60 mm ，Bore Diameter :60mm ，Size :60x130x31mm ，Outer Diameter :130mm ，Brand:NACHI ，Width :31mm |
| NJ5230 Cylindrical roller bearings | Bore Diameter :150mm ，Width :88.9mm ，Size :150x270x88.9mm ，Brand:CX ，Outer Diameter :270mm ，d:150 mm |
| 608-2RSH Deep groove ball bearings | Brand:SKF ，Size :8x22x7mm ，Width :7mm ，Outer Diameter :22mm ，Bore Diameter :8mm |
| PHU2030 Angular contact ball bearings | Size :32x140x58mm ，Outer Diameter :140mm ，Bore Diameter :32mm ，Brand:PFI |
| GRAE25-NPP-B-FA125.5 Deep groove ball bearings | Brand:INA ，d:25 mm ，Width :31mm ，Size :25x52x31mm ，Bore Diameter :25mm ，Outer Diameter :52mm |
| 7306B Angular contact ball bearings | Size :30x72x19mm ，Width :19mm ，d:30 mm ，Brand:FBJ ，Outer Diameter :72mm ，Bore Diameter :30mm |
| NKX 25 Z Complex bearings | Size :25x37x30mm ，Outer Diameter :37mm ，Bore Diameter :25mm ，Brand:NBS |
| 231SM220-MA Spherical roller bearings | Size :220x400x128mm ，d:220 mm ，Brand:FAG ，Width :128mm ，Bore Diameter :220mm ，Outer Diameter :400mm |
| 22224 W33 Spherical roller bearings | Outer Diameter :215mm ，Bore Diameter :120mm ，Brand:MPZ ，Size :120x215x58mm |
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