15578/15520 SKF 57.15×25.4×17.462mm rb max. 1.5 mm Tapered roller bearings
| Bearing number | 15578/15520 |
| Size (mm) | 57.15×25.4×17.462 |
| Brand | SKF |
| Bore Diameter (mm) | 57.15 |
| Outer Diameter (mm) | 25.4 |
| Width (mm) | 17.462 |
| d | 25.4 mm |
| D | 57.15 mm |
| T | 17.462 mm |
| d1 | 42.3 mm |
| B | 17.513 mm |
| C | 13.55 mm |
| r1,2 – min. | 1.3 mm |
| r3,4 – min. | 1.5 mm |
| a | 12 mm |
| da – max. | 35 mm |
| db – min. | 31.5 mm |
| Da – min. | 49 mm |
| Da – max. | 50 mm |
| Db – min. | 53 mm |
| Ca – min. | 3 mm |
| Cb – min. | 3.5 mm |
| ra – max. | 1.3 mm |
| rb – max. | 1.5 mm |
| Basic dynamic load rating – C | 40.2 kN |
| Basic static load rating – C0 | 45.5 kN |
| Fatigue load limit – Pu | 4.9 kN |
| Reference speed | 9000 r/min |
| Limiting speed | 13000 r/min |
| Calculation factor – e | 0.35 |
| Calculation factor – Y | 1.7 |
| Calculation factor – Y0 | 0.9 |
| Dimension series | 15500 |
| d1 ≈ | 42.3 mm |
| r1,2 min. | 1.3 mm |
| r3,4 min. | 1.5 mm |
| da max. | 35 mm |
| db min. | 33 mm |
| Da min. | 49 mm |
| Da max. | 50 mm |
| Db min. | 53 mm |
| Ca min. | 3 mm |
| Cb min. | 3.5 mm |
| ra max. | 1.3 mm |
| rb max. | 1.5 mm |
| Basic dynamic load rating C | 49.1 kN |
| Basic static load rating C0 | 45.5 kN |
| Fatigue load limit Pu | 4.9 kN |
| Calculation factor e | 0.35 |
| Calculation factor Y | 1.7 |
| Calculation factor Y0 | 0.9 |
| Mass bearing | 0.22 kg |
Detailed Parameters
parameter：
| 186177X/186254XH Tapered roller bearings | Brand:Gamet ，Size :177.8x254x108mm ，Outer Diameter :254mm ，Bore Diameter :177.8mm |
| RMEY20-N Bearing units | Bore Diameter :20mm ，Thread (Q):M6 ，Brand:INA ，U:16.3 mm ，d:20 mm |
| F602ZZ Deep groove ball bearings | Outer Diameter :7mm ，Bore Diameter :2mm ，Brand:ISB ，Size :2x7x2.8mm ，Width :2.8mm ，d:2 mm |
| LL264648/LL264610 Tapered roller bearings | Size :374.65x431.8x28.575mm ，Bore Diameter :374.65mm ，Brand:Timken ，Width :28.575mm ，Outer Diameter :431.8mm |
| KJ35X42X20 Needle roller bearings | Ew:42.000 mm ，Brand:NTN ，Outer Diameter :42.000mm ，Fw:35.000 mm ，Bore Diameter :35.000mm |
| 6936NR Deep groove ball bearings | Bore Diameter :180mm ，Brand:CYSD ，Size :180x250x33mm ，Width :33mm ，Outer Diameter :250mm ，d:180 mm |
| 7003 Angular contact ball bearings | Size :17x35x10mm ，Width :10mm ，Brand:CYSD ，Outer Diameter :35mm ，Bore Diameter :17mm |
| NU 1022 Cylindrical roller bearings | Width :28mm ，Outer Diameter :170mm ，Size :110x170x28mm ，Bore Diameter :110mm ，Brand:ISB |
| 5720 Wheel bearings | Designation SKF:VKBA 3456 ，Brand:Ruville ，Designation FAG:713610220 ，Designation SNR:R157.20 |
| N31/560 Cylindrical roller bearings | Outer Diameter :920mm ，Brand:ISO ，Bore Diameter :560mm ，d:560 mm ，Width :280mm ，Size :560x920x280mm |
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