W619/4-2Z SKF Reference speed 130000 r/min 4x11x4mm Deep groove ball bearings
| Bearing number | W619/4-2Z |
| Size (mm) | 4x11x4 |
| Brand | SKF |
| Bore Diameter (mm) | 4 |
| Outer Diameter (mm) | 11 |
| Width (mm) | 4 |
| d | 4 mm |
| D | 11 mm |
| B | 4 mm |
| C | 4 mm |
| d1 | – mm |
| d2 | 5.6 mm |
| r1 min. | 5.2 mm |
| r2 min. | 5.2 mm |
| D1 | 9.9 mm |
| D2 | 0.15 mm |
| da min. | 5.5 mm |
| Da max. | 10 mm |
| ra max. | 0.15 mm |
| Weight | 0.0022 Kg |
| Basic dynamic load rating (C) | 0.54 kN |
| Basic static load rating (C0) | 0.176 kN |
| Fatigue load limit (Pu) | 0.008 |
| Reference speed | 130000 r/min |
| Limiting speed | 63000 r/min |
| Calculation factor (f0) | 6.4 |
Detailed Parameters
parameter：
| UKFCX08 Bearing units | H3:92 mm ，Bore Diameter :35mm ，d:35 mm ，Brand:KOYO |
| NUP2305 EN Cylindrical roller bearings | Outer Diameter :62mm ，Size :25x62x24mm ，Bearing Type:NUP ，Brand:AST ，Bore Diameter :25mm ，Width :24mm |
| 29288-E-MB Thrust roller bearings | Bore Diameter :440mm ，Brand:FAG ，Size :440x600x95mm ，Outer Diameter :600mm |
| BK121812 Cylindrical roller bearings | Size :12x18x12mm ，Brand:ISO ，Bore Diameter :12mm ，Outer Diameter :18mm ，Width :12mm |
| FJT-2218 Needle roller bearings | Bore Diameter :22mm ，Size :22x28x18mm ，Width :18mm ，Outer Diameter :28mm ，Brand:NSK ，Fw:22 mm |
| NU 313 Cylindrical roller bearings | Brand:NSK ，Width :33mm ，Outer Diameter :140mm ，Size :65x140x33mm ，Bore Diameter :65mm |
| 7819CDB Angular contact ball bearings | Bore Diameter :95mm ，Width :13mm ，d:95 mm ，Brand:CYSD ，Size :95x120x13mm ，Outer Diameter :120mm |
| NUP3164 Cylindrical roller bearings | Bore Diameter :320mm ，Brand:ISO ，Outer Diameter :540mm ，Size :320x540x176mm ，Width :176mm |
| Q311 Angular contact ball bearings | Bore Diameter :55mm ，Brand:CX ，Outer Diameter :120mm ，Size :55x120x29mm ，d:55 mm ，Width :29mm |
| 7220HG1DUJ74 Angular contact ball bearings | Size :100x180x68mm ，Brand:SNR ，Outer Diameter :180mm ，Bore Diameter :100mm |
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