15120/15250X NACHI 30.213×63.500×20.638mm Calculation factor (e) 0.35 Tapered roller bearings
| Bearing number | 15120/15250X |
| Size (mm) | 30.213×63.500×20.638 |
| Brand | NACHI |
| Bore Diameter (mm) | 30.213 |
| Outer Diameter (mm) | 63.500 |
| Width (mm) | 20.638 |
| d | 30.213 mm |
| D | 63.500 mm |
| T | 20.638 mm |
| B | 20.638 mm |
| C | 15.875 mm |
| a | 7.4 mm |
| r1 min. | 0.8 mm |
| r2 min. | 1.5 mm |
| Weight | 0.297 Kg |
| Basic dynamic load rating (C) | 45000 kN |
| Basic static load rating (C0) | 54500 kN |
| (Grease) Lubrication Speed | 6000 r/min |
| (Oil) Lubrication Speed | 8000 r/min |
| Calculation factor (e) | 0.35 |
| Calculation factor (Y0) | 0.94 |
Detailed Parameters
parameter：
| 232/530 CW33 Spherical roller bearings | Brand:CX ，Width :355mm ，Outer Diameter :980mm ，Size :530x980x355mm ，Bore Diameter :530mm |
| 231/670R Spherical roller bearings | Brand:KOYO ，Outer Diameter :1090mm ，Bore Diameter :670mm ，Size :670x1090x336mm |
| 7311DF Angular contact ball bearings | Bore Diameter :55mm ，Size :55x120x29mm ，d:55 mm ，Brand:NTN ，Width :29mm ，Outer Diameter :120mm |
| 31330XJ2/DF Tapered roller bearings | Size :150x320x164mm ，Width :164mm ，Outer Diameter :320mm ，Bore Diameter :150mm ，Brand:SKF |
| 22260 KCW33+H3160 Spherical roller bearings | Bore Diameter :300mm ，Size :300x540x140mm ，Brand:ISO ，Outer Diameter :540mm ，Width :140mm ，d:300 mm |
| 7206 C-UO Angular contact ball bearings | Size :30x62x32mm ，Bore Diameter :30mm ，Brand:CX ，Outer Diameter :62mm |
| 4T-687/672 Tapered roller bearings | Mass:3.4 kg ，Y2:1.28 ，e:0.47 ，d1:133.5 mm ，Dynamic load, C:222 kN ，Y0:0.7 |
| 23248CW33MB Spherical roller bearings | Brand:PSL ，Size :240x440x160mm ，Outer Diameter :440mm ，Bore Diameter :240mm |
| AST090 5550 Plain bearings | Bearing Type:straight ，Bore Diameter :55mm ，Shaft Dia., Nominal (d):55.0000 ，Outer Diameter :60mm ，Brand:AST ，Shaft Size (ds) - 55 -0.100 / -0.130:55 0.100 / 0.130 |
| 81104 Thrust roller bearings | d1:21 mm ，Bore Diameter :20mm ，d:20 mm ，Outer Diameter :35mm ，Brand:ISO |
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