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 |
|---|---|---|---|---|---|---|---|
| R4-2Z | 6.35 mm | 15.875 mm | 4.978 mm | - N | - N | - rpm | - rpm |
| R4-RS | 6.35 mm | 15.875 mm | 4.978 mm | - N | - N | - rpm | - rpm |
| R4-Z | 6.35 mm | 15.8 mm | 4.978 mm | - N | - N | - rpm | - rpm |
| R4A | 6.35 mm | 15.88 mm | 5.56 mm | - N | - N | - rpm | - rpm |
| R4A-2RS | 6.35 mm | 19.05 mm | 7.14 mm | - N | - N | - rpm | - rpm |
| R4A-2Z | 6.35 mm | 19.05 mm | 5.558 mm | - N | - N | - rpm | - rpm |
| R4ANR | 6.35 mm | 19.05 mm | 5.558 mm | - N | - N | - rpm | - rpm |
| R4AZZ | 6.35 mm | 19.05 mm | 7.14 mm | - N | - N | - rpm | - rpm |
| R4NR | 6.35 mm | 15.875 mm | 4.978 mm | - N | - N | - rpm | - rpm |
| R6 | 9.525 mm | 22.225 mm | 5.56 mm | - N | - N | - rpm | - rpm |
| R6-2LS | 9.525 mm | 22.225 mm | 7.142 mm | - N | - N | - rpm | - rpm |
| R6-2RS | 9.525 mm | 22.225 mm | 7.14 mm | - N | - N | - rpm | - rpm |
| R6-2RSV | 9.525 mm | 22.225 mm | 5.558 mm | - N | - N | - rpm | - rpm |
| R6-2Z | 9.525 mm | 22.225 mm | 7.14 mm | - N | - N | - rpm | - rpm |
| R6-RS | 9.525 mm | 22.225 mm | 7.142 mm | - N | - N | - rpm | - rpm |