W619/2.5 SKF Reference speed 160000 r/min 2.5x7x2.5mm Deep groove ball bearings
| Bearing number | W619/2.5 |
| Size (mm) | 2.5x7x2.5 |
| Brand | SKF |
| Bore Diameter (mm) | 2.5 |
| Outer Diameter (mm) | 7 |
| Width (mm) | 2.5 |
| d | 2.5 mm |
| D | 7 mm |
| B | 2.5 mm |
| C | 2.5 mm |
| d1 | 3.8 mm |
| d2 | – mm |
| r1 min. | 0.15 mm |
| r2 min. | 0.15 mm |
| D1 | 5.7 mm |
| D2 | – mm |
| da min. | 3.7 mm |
| Da max. | 5.8 mm |
| ra max. | 0.15 mm |
| Weight | 0.0004 Kg |
| Basic dynamic load rating (C) | 0.221 kN |
| Basic static load rating (C0) | 0.067 kN |
| Fatigue load limit (Pu) | 0.003 |
| Reference speed | 160000 r/min |
| Limiting speed | 100000 r/min |
| Calculation factor (f0) | 6.6 |
Detailed Parameters
parameter：
| NA4907 Needle roller bearings | Bore Diameter :35mm ，Outer Diameter :55mm ，Brand:INA ，Size :35x55x20mm ，Width :20mm |
| HSB032C Angular contact ball bearings | Outer Diameter :240mm ，Bore Diameter :160mm ，Brand:NTN ，Size :160x240x38mm |
| NNCF4888V Cylindrical roller bearings | Size :440x513x100mm ，Brand:NSK ，d:440 mm ，Outer Diameter :513mm ，Bore Diameter :440mm ，Width :100mm |
| 15117/15245 Tapered roller bearings | Bore Diameter :30mm ，Brand:NSK ，Outer Diameter :62mm ，Size :30x62x19.05mm |
| NUP314FMNR/C3 Cylindrical roller bearings | Width :35mm ，Bore Diameter :70mm ，Size :70x150x35mm ，Outer Diameter :150mm ，Brand:Fersa |
| 7303 C-UX Angular contact ball bearings | Size :17x47x28mm ，Brand:CX ，Bore Diameter :17mm ，Outer Diameter :47mm |
| 42683/42620 Tapered roller bearings | Outer Diameter :127.000mm ，Brand:NACHI ，Bore Diameter :73.025mm ，Size :73.025x127x30.162mm |
| 133076X/133127H Tapered roller bearings | Outer Diameter :127mm ，Brand:Gamet ，Size :76.2x127x73mm ，Bore Diameter :76.2mm |
| 16056 Deep groove ball bearings | Size :280x420x44mm ，Bore Diameter :280mm ，Brand:NTN ，Outer Diameter :420mm |
| NNF5013-2LS-V Cylindrical roller bearings | Size :65x90x46mm ，Bore Diameter :65mm ，Width :46mm ，Brand:NKE ，Outer Diameter :90mm ，d:65 mm |
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