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 |
|---|---|---|---|---|---|---|---|
| 639/5X2-2Z/P53 | 5 mm | 13 mm | 5 mm | - N | - N | - rpm | - rpm |
| 639/5X2-2ZT/P6 | 5 mm | 13 mm | 5 mm | - N | - N | - rpm | - rpm |
| 639/5X2-Z | 5 mm | 13 mm | 5 mm | - N | - N | - rpm | - rpm |
| 639/5X2-Z/HV | 5 mm | 13 mm | 5 mm | - N | - N | - rpm | - rpm |
| 639/5X2-Z/HVP5 | 5 mm | 13 mm | 5 mm | - N | - N | - rpm | - rpm |
| 639/5X2/HVP5 | 5 mm | 13 mm | 5 mm | - N | - N | - rpm | - rpm |
| 639/6X2 | 6 mm | 15 mm | 6 mm | - N | - N | - rpm | - rpm |
| 639/6X2-2Z | 6 mm | 15 mm | 6 mm | - N | - N | - rpm | - rpm |
| 639/6X2-Z | 6 mm | 15 mm | 6 mm | - N | - N | - rpm | - rpm |
| 639/7X2 | 7 mm | 17 mm | 6 mm | - N | - N | - rpm | - rpm |
| 639/7X2-2Z | 7 mm | 17 mm | 6 mm | - N | - N | - rpm | - rpm |
| 639/7X2-Z | 7 mm | 17 mm | 6 mm | - N | - N | - rpm | - rpm |
| 639/8X2 | 8 mm | 19 mm | 7 mm | - N | - N | - rpm | - rpm |
| 639/8X2-2Z | 8 mm | 19 mm | 7 mm | - N | - N | - rpm | - rpm |
| 639/8X2-Z | 8 mm | 19 mm | 7 mm | - N | - N | - rpm | - rpm |