W617/4 SKF Fatigue load limit (Pu) 0.003 4x7x2mm Deep groove ball bearings
| Bearing number | W617/4 |
| Size (mm) | 4x7x2 |
| Brand | SKF |
| Bore Diameter (mm) | 4 |
| Outer Diameter (mm) | 7 |
| Width (mm) | 2 |
| d | 4 mm |
| D | 7 mm |
| B | 2 mm |
| C | 2 mm |
| d1 | 4.7 mm |
| d2 | – mm |
| r1 min. | 0.1 mm |
| r2 min. | 0.1 mm |
| D1 | 6.3 mm |
| D2 | – mm |
| da min. | 4.6 mm |
| Da max. | 6.4 mm |
| ra max. | 0.1 mm |
| Weight | 0.0002 Kg |
| Basic dynamic load rating (C) | 0.178 kN |
| Basic static load rating (C0) | 0.057 kN |
| Fatigue load limit (Pu) | 0.003 |
| Reference speed | 150000 r/min |
| Limiting speed | 95000 r/min |
| Calculation factor (f0) | 7.3 |
Detailed Parameters
parameter：
| 29372 Thrust roller bearings | Brand:Timken ，Bore Diameter :360mm ，Outer Diameter :560mm ，Size :360x560x122mm ，d:360 mm ，Width :122mm |
| NNCL4936 V Cylindrical roller bearings | Size :180x250x69mm ，Brand:ISO ，Bore Diameter :180mm ，Outer Diameter :250mm |
| GE420DW Plain bearings | Size :420x560x190mm ，Bore Diameter :420mm ，Brand:ISO ，Width :190mm ，d:420 mm ，Outer Diameter :560mm |
| SF5220 Angular contact ball bearings | Bore Diameter :260.000mm ，d:260.000 mm ，Size :260x340x38mm ，Brand:NTN ，Width :38.000mm ，Outer Diameter :340.000mm |
| 7205WN Angular contact ball bearings | Brand:Timken ，Bore Diameter :25mm ，Outer Diameter :52mm ，Size :25x52x15mm ，Width :15mm |
| HR33110J Tapered roller bearings | Size :50x85x26mm ，Outer Diameter :85mm ，Brand:NSK ，Bore Diameter :50mm |
| SQ209-104 Deep groove ball bearings | Outer Diameter :85mm ，Brand:AST ，Bearing Type:Spherical OD ，Outer Width (Bo):1.1875 ，Outer Dia (D):3.3464 |
| PFT 40 RM Bearing units | Bore Diameter :40mm ，Da:91 mm ，Width :36mm ，d:40 mm ，Brand:SKF ，A1:3.5 mm |
| 1755/1729 Tapered roller bearings | Bore Diameter :22.225mm ，Outer Diameter :56.896mm ，Width :19.368mm ，Brand:CX ，Size :22.225x56.896x19.368mm |
| PCJT20-N Bearing units | Brand:INA ，V:61 mm ，Bore Diameter :20mm ，d:20 mm ，U:42.5 mm |
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