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 |
|---|---|---|---|---|---|---|---|
| F639/3X2-2ZWB/YB2 | 3 mm | 8 mm | 3.8 mm | - N | - N | - rpm | - rpm |
| F639/4-2Z/YB2 | 4 mm | 11 mm | 5 mm | - N | - N | - rpm | - rpm |
| F639/4-Z/YB2 | 4 mm | 11 mm | 5 mm | - N | - N | - rpm | - rpm |
| F639/6X2-2Z | 6 mm | 15 mm | 6 mm | - N | - N | - rpm | - rpm |
| F639/6X2-Z | 6 mm | 15 mm | 6 mm | - N | - N | - rpm | - rpm |
| F639/7X2-2Z/YB2 | 7 mm | 17 mm | 6 mm | - N | - N | - rpm | - rpm |
| F639/7X2-Z/YB2 | 7 mm | 17 mm | 6 mm | - N | - N | - rpm | - rpm |
| F66/1.2-2Z | 1.2 mm | 4.5 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| F66/1.397 | 1.397 mm | 4.763 mm | 2.78 mm | - N | - N | - rpm | - rpm |
| F66/19/YB2 | 19 mm | 22.2 mm | 2.6 mm | - N | - N | - rpm | - rpm |
| R14NR | 22.225 mm | 47.625 mm | 9.525 mm | - N | - N | - rpm | - rpm |
| R155-2Z | 0.1563 mm | 0.3125 mm | 0.1094 mm | - N | - N | - rpm | - rpm |
| R156 | 4.762 mm | 7.938 mm | 2.779 mm | - N | - N | - rpm | - rpm |
| R156-2Z | 0.1875 mm | 0.3125 mm | 0.1094 mm | - N | - N | - rpm | - rpm |
| R156ZZ | 4.763 mm | 7.938 mm | 3.175 mm | - N | - N | - rpm | - rpm |