W639/2.5-2ZS SKF D2 0.15 mm 2.5x7x3.5mm Deep groove ball bearings


| Bearing number | W639/2.5-2ZS |
| Size (mm) | 2.5x7x3.5 |
| Brand | SKF |
| Bore Diameter (mm) | 2.5 |
| Outer Diameter (mm) | 7 |
| Width (mm) | 3.5 |
| d | 2.5 mm |
| D | 7 mm |
| B | 3.5 mm |
| C | 3.5 mm |
| d1 | 3.8 mm |
| d2 | – mm |
| r1 min. | 3.7 mm |
| r2 min. | 3.7 mm |
| D1 | 6.2 mm |
| D2 | 0.15 mm |
| da min. | 3.8 mm |
| Da max. | 6.2 mm |
| ra max. | 0.15 mm |
| Weight | 0.00055 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 | 80000 r/min |
| Calculation factor (f0) | 6.6 |
Detailed Parameters
parameter:
| 89440 Thrust roller bearings | Outer Diameter :400mm ,Brand:CX ,d:200 mm ,Bore Diameter :200mm |
| NJ411 Cylindrical roller bearings | Brand:FBJ ,Outer Diameter :140mm ,Bore Diameter :55mm ,Size :55x140x33mm |
| 02878/02820 Tapered roller bearings | Brand:Timken ,Outer Diameter :73.025mm ,Size :34.925x73.025x22.225mm ,Bore Diameter :34.925mm |
| RAX 460 Complex bearings | Width :28mm ,Fw:60 mm ,Size :60x72x28mm ,Bore Diameter :60mm ,Brand:KOYO ,Outer Diameter :72mm |
| 15125/15250X Tapered roller bearings | Outer Diameter :63.5mm ,Width :20.6375mm ,Bore Diameter :31.75mm ,Brand:AST |
| GE 120 ESX-2LS Plain bearings | Bore Diameter :120mm ,Size :120x180x85mm ,Outer Diameter :180mm ,Brand:SKF |
| 6236Z Deep groove ball bearings | Bore Diameter :180.000mm ,Outer Diameter :320.000mm ,Size :180x320x52mm ,Brand:NTN |
| 410TVL718 Angular contact ball bearings | Outer Diameter :1260.475mm ,Width :127mm ,Size :1041.4x1260.475x127mm ,Bore Diameter :1041.4mm ,Brand:Timken |
| 80033X/80066X Tapered roller bearings | Brand:Gamet ,d:33.338 mm ,Outer Diameter :66.675mm ,Bore Diameter :33.338mm ,Size :33.338x66.675x20.63mm ,Width :20.63mm |
| 7913C Angular contact ball bearings | Brand:NTN ,Outer Diameter :90mm ,Width :13mm ,Bore Diameter :65mm ,d:65 mm ,Size :65x90x13mm |
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