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 |
|---|---|---|---|---|---|---|---|
| 6304-2RS/Z3 | 20 mm | 52 mm | 15 mm | — N | — N | — rpm | — rpm |
| 6304-2RS/Z2 | 20 mm | 52 mm | 15 mm | — N | — N | — rpm | — rpm |
| 6304-RS/Z3 | 20 mm | 52 mm | 21 mm | — N | — N | — rpm | — rpm |
| 6304-RS/Z2 | 20 mm | 52 mm | 21 mm | — N | — N | — rpm | — rpm |
| 6304-RS | 20 mm | 52 mm | 15 mm | — N | — N | — rpm | — rpm |
| 6304-2Z/Z3 | 20 mm | 52 mm | 15 mm | — N | — N | — rpm | — rpm |
| 6304-2Z/Z2 | 20 mm | 52 mm | 15 mm | — N | — N | — rpm | — rpm |
| 6304-Z/Z2 | 20 mm | 52 mm | 15 mm | — N | — N | — rpm | — rpm |
| 6304/Z3 | 20 mm | 52 mm | 15 mm | — N | — N | — rpm | — rpm |
| 6304/Z2 | 20 mm | 52 mm | 15 mm | — N | — N | — rpm | — rpm |
| 6304E | 20 mm | 52 mm | 15 mm | — N | — N | — rpm | — rpm |
| 62303-2RS | 17 mm | 47 mm | 19 mm | — N | — N | — rpm | — rpm |
| 62303-RS | 17 mm | 47 mm | 19 mm | — N | — N | — rpm | — rpm |
| 6303-2RS/Z3 | 17 mm | 47 mm | 14 mm | — N | — N | — rpm | — rpm |
| 6303-2RS/Z2 | 17 mm | 47 mm | 14 mm | — N | — N | — rpm | — rpm |