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 |
|---|---|---|---|---|---|---|---|
| MR74ZZ | 4 mm | 7 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| MR74 | 4 mm | 7 mm | 2 mm | - N | - N | - rpm | - rpm |
| MR72ZZ | 2 mm | 7 mm | 3 mm | - N | - N | - rpm | - rpm |
| MR72XZZ | 2.5 mm | 5 mm | 2.3 mm | - N | - N | - rpm | - rpm |
| MR72X | 2.5 mm | 5 mm | 1.5 mm | - N | - N | - rpm | - rpm |
| MR72 | 2 mm | 7 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| MR63ZZ | 3 mm | 6 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| MR63 | 3 mm | 6 mm | 2 mm | - N | - N | - rpm | - rpm |
| MR62ZZ | 2 mm | 6 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| MR52ZZ | 2 mm | 5 mm | 2.5 mm | - N | - N | - rpm | - rpm |
| MR52 | 2 mm | 5 mm | 2 mm | - N | - N | - rpm | - rpm |
| MR149ZZ | 9 mm | 14 mm | 4.5 mm | - N | - N | - rpm | - rpm |
| MR148ZZ | 8 mm | 14 mm | 4 mm | - N | - N | - rpm | - rpm |
| MR148 | 8 mm | 14 mm | 3.5 mm | - N | - N | - rpm | - rpm |
| MR137ZZ | 7 mm | 13 mm | 4 mm | - N | - N | - rpm | - rpm |