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 |
|---|---|---|---|---|---|---|---|
| F638/3X2-2Z/YB2 | 3 mm | 7 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| F638/3X2-2ZWB/YB2 | 3 mm | 7 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| F638/3X2/YB2 | 3 mm | 7 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| F638/4-2Z | 4 mm | 9 mm | 4 mm | - N | - N | - rpm | - rpm |
| F638/4-2ZWB/YB2 | 4 mm | 9 mm | 4 mm | - N | - N | - rpm | - rpm |
| F638/9 | 9 mm | 17 mm | 6 mm | - N | - N | - rpm | - rpm |
| F639/1.5X2-2Z/YB2 | 1.5 mm | 5 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| F639/1.5X2-Z/YB2 | 1.5 mm | 5 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| F639/1X2-2Z | 1 mm | 4 mm | 2 mm | - N | - N | - rpm | - rpm |
| F639/1X2-Z | 1 mm | 4 mm | 2 mm | - N | - N | - rpm | - rpm |
| F639/2.5X2-2ZWB/YB2 | 2.5 mm | 7 mm | 3.8 mm | - N | - N | - rpm | - rpm |
| F639/2X2-2Z/YB2 | 2 mm | 6 mm | 2.8 mm | - N | - N | - rpm | - rpm |
| F639/2X2-Z/YB2 | 2 mm | 6 mm | 2.8 mm | - N | - N | - rpm | - rpm |
| F639/3-2Z/YB2 | 3 mm | 8 mm | 4 mm | - N | - N | - rpm | - rpm |
| F639/3-Z/YB2 | 3 mm | 8 mm | 4 mm | - N | - N | - rpm | - rpm |