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 |
|---|---|---|---|---|---|---|---|
| 636-2Z | 6 mm | 22 mm | 7 mm | 3.3 N | 1.35 N | 31000 rpm | 37000 rpm |
| 636-Z | 6 mm | 22 mm | 7 mm | - N | - N | - rpm | - rpm |
| 637 | 7 mm | 26 mm | 9 mm | 4.55 N | 1.95 N | 26000 rpm | 32000 rpm |
| 637-2Z | 7 mm | 26 mm | 9 mm | 1.55 N | 1.95 N | 26000 rpm | 32000 rpm |
| 637-Z | 7 mm | 26 mm | 9 mm | - N | - N | - rpm | - rpm |
| 638 | 8 mm | 28 mm | 9 mm | 4.55 N | 1.95 N | 26000 rpm | 32000 rpm |
| 638-2RS | 8 mm | 28 mm | 9 mm | - N | - N | - rpm | - rpm |
| 638-2RZ | 8 mm | 28 mm | 9 mm | - N | - N | - rpm | - rpm |
| 638-2Z | 8 mm | 28 mm | 9 mm | 4.55 N | 1.95 N | 26000 rpm | 32000 rpm |
| 638-RS | 8 mm | 28 mm | 9 mm | - N | - N | - rpm | - rpm |
| 638-RZ | 8 mm | 28 mm | 9 mm | - N | - N | - rpm | - rpm |
| 638-Z | 8 mm | 28 mm | 9 mm | - N | - N | - rpm | - rpm |
| 6834X2-Z | 4 mm | 16 mm | 4 mm | - N | - N | - rpm | - rpm |
| 6310N/YA5 | 50 mm | 110 mm | 27 mm | - N | - N | - rpm | - rpm |
| 6310NR | 50 mm | 110 mm | 27 mm | - N | - N | - rpm | - rpm |