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| Product model | D/W R1-4-2Z | 
| d | 1.984 mm | 
| D | 6.35 mm | 
| B | 3.571 mm | 
| Limiting speed | 85000 r/min | 
| d1 | ≈3.92 mm | 
| d2 | ≈3.92 mm | 
| D2 | ≈5.9 mm | 
| Chamfer size (r1,2) | min.0.1 mm | 
| da | min.2.8 mm/max.3.8 mm | 
| ra | max.0.1 mm | 
| 基本额定动负荷(C) | 0.163 kN | 
| 基本额定静负荷(C0) | 0.048 kN | 
| Pu | 0.002 kN | 
| Reference speed | 170 000 r/min | 
| 极限转速 | 85 000 r/min | 
| kr | 0.025 | 
| f0 | 7 |