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 |
|---|---|---|---|---|---|---|---|
| 6221-2RS/Z2 | 105 mm | 190 mm | 36 mm | — N | — N | — rpm | — rpm |
| 6221-RS/Z3 | 105 mm | 190 mm | 36 mm | — N | — N | — rpm | — rpm |
| 6221-RS/Z2 | 105 mm | 190 mm | 36 mm | — N | — N | — rpm | — rpm |
| 6221-RS | 105 mm | 190 mm | 36 mm | — N | — N | — rpm | — rpm |
| 6221-2Z/Z3 | 105 mm | 190 mm | 36 mm | — N | — N | — rpm | — rpm |
| 6221-2Z/Z2 | 105 mm | 190 mm | 36 mm | — N | — N | — rpm | — rpm |
| 6221-2Z | 105 mm | 190 mm | 36 mm | — N | — N | — rpm | — rpm |
| 6221-Z/Z2 | 105 mm | 190 mm | 36 mm | — N | — N | — rpm | — rpm |
| 6221/Z3 | 105 mm | 190 mm | 36 mm | — N | — N | — rpm | — rpm |
| 6221/Z2 | 105 mm | 190 mm | 36 mm | — N | — N | — rpm | — rpm |
| 6220-2RS/Z3 | 100 mm | 180 mm | 34 mm | — N | — N | — rpm | — rpm |
| 6220-2RS/Z2 | 100 mm | 180 mm | 34 mm | — N | — N | — rpm | — rpm |
| 6220-RS/Z3 | 100 mm | 180 mm | 34 mm | — N | — N | — rpm | — rpm |
| 6220-RS/Z2 | 100 mm | 180 mm | 34 mm | — N | — N | — rpm | — rpm |
| 6220-RS | 100 mm | 180 mm | 34 mm | — N | — N | — rpm | — rpm |