深沟球轴承
深沟球轴承是滚动轴承中应用最广泛、产量最高的品类，其结构简洁紧凑，可同时承受径向载荷和双向轴向载荷，兼具高转速、低噪音、易维护的核心优势，被誉为工业传动系统的“通用传动基石”，覆盖从微型电子设备到大型工业机械的全场景适配
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| Part Number | d - Bore | D - Outer Diameter | B - Width | Cr - Dynamic Radial Rating | Cor - Static Radial Rating | Grease lubrication | Oil lubrication |
|---|---|---|---|---|---|---|---|
| 619/9X2-2Z | 9 mm | 20 mm | 7 mm | - N | - N | - rpm | - rpm |
| 619/9X2-Z | 9 mm | 20 mm | 7 mm | - N | - N | - rpm | - rpm |
| 61901-2RSV | 12 mm | 24 mm | 6 mm | - N | - N | - rpm | - rpm |
| 61903-ZNR | 17 mm | 30 mm | 7 mm | - N | - N | - rpm | - rpm |
| 61903NR | 17 mm | 30 mm | 7 mm | - N | - N | - rpm | - rpm |
| 61903Q1 | 17 mm | 30 mm | 7 mm | - N | - N | - rpm | - rpm |
| 61904-ZNR | 20 mm | 37 mm | 9 mm | - N | - N | - rpm | - rpm |
| 61904NR | 20 mm | 37 mm | 9 mm | - N | - N | - rpm | - rpm |
| R12-2LZ | 19.05 mm | 41.275 mm | 11.113 mm | - N | - N | - rpm | - rpm |
| 61908-ZNR | 40 mm | 62 mm | 12 mm | - N | - N | - rpm | - rpm |
| 61908NR | 40 mm | 62 mm | 12 mm | - N | - N | - rpm | - rpm |
| 61909-2RSV | 45 mm | 68 mm | 12 mm | - N | - N | - rpm | - rpm |
| R20-Z | 31.75 mm | 57.15 mm | 12.7 mm | - N | - N | - rpm | - rpm |
| 61909-ZNR | 45 mm | 68 mm | 12 mm | - N | - N | - rpm | - rpm |
| 61909NR | 45 mm | 68 mm | 12 mm | - N | - N | - rpm | - rpm |