1308EKTN9 SKF 40x90x23mm Calculation factor (Y1) 2.7 Self aligning ball bearings
| Bearing number | 1308EKTN9 |
| Size (mm) | 40x90x23 |
| Brand | SKF |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 23 |
| d | 40 mm |
| D | 90 mm |
| B | 23 mm |
| C | 23 mm |
| d2 | 61.5 mm |
| r1 min. | 1.5 mm |
| r2 min. | 1.5 mm |
| D1 | 81.5 mm |
| da min. | 49 mm |
| Da max. | 81 mm |
| ra max. | 1.1 mm |
| Weight | 0.68 Kg |
| Basic dynamic load rating (C) | 33.8 kN |
| Basic static load rating (C0) | 11.2 kN |
| Fatigue load limit (Pu) | 0.57 |
| Reference speed | 14000 r/min |
| Limiting speed | 9500 r/min |
| Calculation factor (e) | 0.23 |
| Calculation factor (kr) | 0.04 |
| Calculation factor (Y0) | 2.8 |
| Calculation factor (Y1) | 2.7 |
Detailed Parameters
parameter：
| 23238B Spherical roller bearings | Width :120mm ，Outer Diameter :340mm ，Brand:NTN ，Size :190x340x120mm ，Bore Diameter :190mm |
| RNA5926 Needle roller bearings | Bore Diameter :150mm ，Outer Diameter :180mm ，Width :67mm ，Size :150x180x67mm ，Brand:CX |
| 25577/25522 Tapered roller bearings | Outer Diameter :83.058mm ，Width :23.876mm ，Bore Diameter :42.875mm ，Size :42.875x83.058x23.876mm ，Brand:ISO |
| F15062 Tapered roller bearings | Outer Diameter :93mm ，Size :55x93x51mm ，Width :51.000mm ，Bore Diameter :55mm ，Brand:Fersa |
| NCF2938V Cylindrical roller bearings | Size :190x243.6x42mm ，d:190 mm ，Bore Diameter :190mm ，Outer Diameter :243.6mm ，Width :42mm ，Brand:NSK |
| 23144 KCW33+H3144 Spherical roller bearings | Outer Diameter :370mm ，Width :120mm ，Brand:CX ，Bore Diameter :220mm ，d:220 mm ，Size :220x370x120mm |
| JM205149A/JM205110 Tapered roller bearings | Bore Diameter :50mm ，Outer Diameter :90mm ，Size :50x90x28mm ，Brand:Timken |
| 7228BDB Angular contact ball bearings | Bore Diameter :140mm ，Width :42mm ，Outer Diameter :250mm ，Size :140x250x42mm ，Brand:NACHI |
| UKC210+H2310 Bearing units | Width :120mm ，d:45 mm ，Brand:NACHI ，Bore Diameter :45mm |
| TUW1 26 Plain bearings | Size :26x44x1.5mm ，Brand:CX ，Bore Diameter :26mm ，Width :1.5mm ，d:26 mm ，Outer Diameter :44mm |
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