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 |
|---|---|---|---|---|---|---|---|
| 6228-Z | 140 mm | 250 mm | 42 mm | - N | - N | - rpm | - rpm |
| 6228-RZ | 140 mm | 250 mm | 42 mm | - N | - N | - rpm | - rpm |
| 6228-RS | 140 mm | 250 mm | 42 mm | - N | - N | - rpm | - rpm |
| 6228-2Z | 140 mm | 250 mm | 42 mm | - N | - N | - rpm | - rpm |
| 6226-Z | 130 mm | 230 mm | 40 mm | - N | - N | - rpm | - rpm |
| 6226-2Z | 130 mm | 230 mm | 40 mm | - N | - N | - rpm | - rpm |
| 6224-RZ | 120 mm | 215 mm | 40 mm | - N | - N | - rpm | - rpm |
| 6222-RZ | 110 mm | 200 mm | 38 mm | - N | - N | - rpm | - rpm |
| 6222N | 110 mm | 200 mm | 38 mm | - N | - N | - rpm | - rpm |
| 6222-2RZ | 110 mm | 200 mm | 38 mm | - N | - N | - rpm | - rpm |
| 6221-RZ | 105 mm | 190 mm | 36 mm | - N | - N | - rpm | - rpm |
| 638/3-2Z | 3 mm | 7 mm | 3 mm | - N | - N | - rpm | - rpm |
| 638/4-2Z | 4 mm | 9 mm | 4 mm | - N | - N | - rpm | - rpm |
| 6221N | 105 mm | 190 mm | 36 mm | - N | - N | - rpm | - rpm |
| 6221-2RZ | 105 mm | 190 mm | 36 mm | - N | - N | - rpm | - rpm |