W 639/3-2RS1
Precision ball bearing > Deep groove ball bearing
W 639/3-2RS1 - Deep groove ball bearing - Precision ball bearing
| Product model | W 639/3-2RS1 |
|---|---|
| d | 3 mm |
| D | 8 mm |
| B | 4 mm |
| Limiting speed | 43000 r/min |
| d1 | ≈4.35 mm |
| d2 | ≈4.35 mm |
| D2 | ≈7.25 mm |
| Chamfer size (r1,2) | min.0.15 mm |
| da | min.3.9 mm/max.4.3 mm |
| Da | max.7.3 mm |
| ra | max.0.15 mm |
| Pu | 0.004 kN |
| Reference speed | 140 000 r/min |
| kr | 0.025 |
| f0 | 6.1 |
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W 639/3-2RS1 / Deep groove ball bearing / Precision ball bearing