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Bearing
SKF Stainless steel deep groove ball bearing
Bearing
Designation
W 618/4
| Parameter | Symbol | Value |
|---|---|---|
| Bore | d | 4 mm 0.1575 in |
| Outer diameter | D | 9 mm 0.3543 in |
| Width | B | 2.5 mm 0.0984 in |
| Reference speed | 140000 r/min | |
| Limiting speed | 85000 r/min | |
| Mass | 0.0006 kg 0.00132 lb | |
| Dynamic load rating | C | 0.364 kN 0.0818 klbf |
| Static load rating | C0 | 0.114 kN 0.0256 klbf |
| Fatigue load limit | Pu | 0.005 kN 0.0011 klbf |
| Inner ring outside diameter | d1 | 5.2 mm 0.2047 in |
| Outer ring inside diameter | D1 | 7.5 mm 0.2953 in |
| Inner ring recess diameter | d2 | - - |
| Outer ring recess diameter | D2 | - - |
| Chamfer dimension | r1 min. | 0.1 mm 0.0039 in |
| Chamfer dimension | r2 min. | 0.1 mm 0.0039 in |
| Shaft shoulder diameter | da min. | 4.8 mm 0.189 in |
| Shaft shoulder diameter | da max. | - - |
| Housing shoulder diameter | Da max. | 8.2 mm 0.3228 in |
| Fillet radius | ra max. | 0.1 mm 0.0039 in |
| Minimum load factor | kr | 0.02 |
| Calculation factor | f0 | 6.5 |
Main information
Technical and reference information about the record
- Brand
- SKF
- Category
- Bearing
- Product type
- Stainless steel deep groove ball bearing
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