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 |
|---|---|---|---|---|---|---|---|
| 6311N/C3 | 55 mm | 120 mm | 29 mm | - N | - N | - rpm | - rpm |
| 6311NR | 55 mm | 120 mm | 29 mm | - N | - N | - rpm | - rpm |
| 6311TN/C3YA | 55 mm | 120 mm | 29 mm | - N | - N | - rpm | - rpm |
| 6311TN1 | 55 mm | 120 mm | 29 mm | - N | - N | - rpm | - rpm |
| 6311X1-2RS | 55 mm | 152 mm | 29 mm | - N | - N | - rpm | - rpm |
| 6312-2RS/Z1 | 60 mm | 130 mm | 31 mm | - N | - N | - rpm | - rpm |
| 6312-2RZ/Z1 | 60 mm | 130 mm | 31 mm | - N | - N | - rpm | - rpm |
| 6312-2RZ/Z2 | 60 mm | 130 mm | 31 mm | - N | - N | - rpm | - rpm |
| 6312-2RZN | 60 mm | 130 mm | 31 mm | - N | - N | - rpm | - rpm |
| 6312-2Z/YA | 60 mm | 130 mm | 31 mm | - N | - N | - rpm | - rpm |
| 6312-2Z/YA7 | 60 mm | 130 mm | 31 mm | - N | - N | - rpm | - rpm |
| 6312-RZN | 60 mm | 130 mm | 31 mm | - N | - N | - rpm | - rpm |
| 6312-Z/YA | 60 mm | 130 mm | 31 mm | - N | - N | - rpm | - rpm |
| 6312-Z/Z1 | 60 mm | 130 mm | 31 mm | - N | - N | - rpm | - rpm |
| 6312/C4 | 60 mm | 130 mm | 31 mm | - N | - N | - rpm | - rpm |