W617/4X SKF 4x8x2mm Da max. 6.9 mm Deep groove ball bearings


| Bearing number | W617/4X |
| Size (mm) | 4x8x2 |
| Brand | SKF |
| Bore Diameter (mm) | 4 |
| Outer Diameter (mm) | 8 |
| Width (mm) | 2 |
| d | 4 mm |
| D | 8 mm |
| B | 2 mm |
| C | 2 mm |
| d1 | 5 mm |
| d2 | – mm |
| r1 min. | 0.15 mm |
| r2 min. | 0.15 mm |
| D1 | 6.8 mm |
| D2 | – mm |
| da min. | 4.9 mm |
| Da max. | 6.9 mm |
| ra max. | 0.15 mm |
| Weight | 0.0004 Kg |
| Basic dynamic load rating (C) | 0.225 kN |
| Basic static load rating (C0) | 0.072 kN |
| Fatigue load limit (Pu) | 0.003 |
| Reference speed | 150000 r/min |
| Limiting speed | 90000 r/min |
| Calculation factor (f0) | 7.2 |
Detailed Parameters
parameter:
| 3306 Angular contact ball bearings | Brand:CYSD ,d:30 mm ,Outer Diameter :72mm ,Size :30x72x30.2mm ,Bore Diameter :30mm ,Width :30.2mm |
| 7306BDT Angular contact ball bearings | Outer Diameter :72mm ,Bore Diameter :30mm ,Size :30x72x19mm ,Brand:NTN ,Width :19mm |
| NKS 35 Needle roller bearings | Brand:NBS ,Outer Diameter :50mm ,Width :22mm ,Bore Diameter :35mm ,Size :35x50x22mm |
| PNA 17/35 Needle roller bearings | d:17 mm ,Size :17x35x16mm ,Bore Diameter :17mm ,Outer Diameter :35mm ,Brand:NBS ,Width :16mm |
| 112044X/112085 Tapered roller bearings | Brand:Gamet ,Bore Diameter :44.45mm ,Size :44.45x85x20.63mm ,Outer Diameter :85mm |
| HK0306TN Needle roller bearings | Size :3x6.5x6mm ,Bore Diameter :3mm ,Brand:SKF ,Outer Diameter :6.5mm |
| GEG12E Plain bearings | Outer Diameter :26mm ,d:12 mm ,Bore Diameter :12mm ,Size :12x26x15mm ,Brand:LS ,Width :15mm |
| W637/9-2Z Deep groove ball bearings | Outer Diameter :14mm ,Width :4.5mm ,Bore Diameter :9mm ,Size :9x14x4.5mm ,Brand:SKF |
| GE100ET-2RS Plain bearings | Outer Dia (D):150.0000 ,Outer Diameter :150mm ,Brand:AST ,Bore Dia (d):100.0000 ,Bearing Type - single fracture:sealed ,Bore Diameter :100mm |
| GE100-KRRB Deep groove ball bearings | Brand:NKE ,Bore Diameter :100mm ,Outer Diameter :180mm ,Size :100x180x57.5mm |
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