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 |
|---|---|---|---|---|---|---|---|
| 628/5 | 5 mm | 11 mm | 3.5 mm | — N | — N | — rpm | — rpm |
| 618/5 | 5 mm | 11 mm | 3 mm | 0.97 N | 0.36 N | 53000 rpm | 63000 rpm |
| 618/4 | 4 mm | 9 mm | 2.5 mm | 0.64 N | 0.23 N | 59000 rpm | 70000 rpm |
| 628/3-2Z | 3 mm | 7 mm | 2.5 mm | — N | — N | — rpm | — rpm |
| 628/3-Z | 3 mm | 7 mm | 2.5 mm | — N | — N | — rpm | — rpm |
| 628/3 | 3 mm | 7 mm | 2.5 mm | — N | — N | — rpm | — rpm |
| 618/3 | 3 mm | 7 mm | 2 mm | 0.31 N | 0.11 N | 66000 rpm | 79000 rpm |
| 628/2.5 | 2.5 mm | 6 mm | 1.8 mm | — N | — N | — rpm | — rpm |
| 618/2.5 | 2.5 mm | 6 mm | 1.8 mm | 0.19 N | 0.06 N | 75000 rpm | 89000 rpm |
| 628/2-2Z | 2 mm | 5 mm | 1.5 mm | — N | — N | — rpm | — rpm |
| 628/2-Z | 2 mm | 5 mm | 1.5 mm | — N | — N | — rpm | — rpm |
| 628/2 | 2 mm | 5 mm | 1.5 mm | — N | — N | — rpm | — rpm |
| 618-/2 | 2 mm | 5 mm | 1.5 mm | — N | — N | — rpm | — rpm |
| 618/1.5 | 1.5 mm | 4 mm | 1.2 mm | 0.11 N | 0.03 N | 120000 rpm | 140000 rpm |
| 618/1 | 1 mm | 3 mm | 1 mm | 0.1 N | 0.03 N | 130000 rpm | 150000 rpm |