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 |
|---|---|---|---|---|---|---|---|
| 6312-N | 60 mm | 130 mm | 31 mm | — N | — N | — rpm | — rpm |
| 6311-N | 55 mm | 120 mm | 29 mm | — N | — N | — rpm | — rpm |
| 6309-N | 45 mm | 100 mm | 25 mm | — N | — N | — rpm | — rpm |
| 6308-N | 40 mm | 90 mm | 23 mm | — N | — N | — rpm | — rpm |
| 6306-N | 30 mm | 72 mm | 19 mm | — N | — N | — rpm | — rpm |
| 6305-N | 25 mm | 62 mm | 17 mm | — N | — N | — rpm | — rpm |
| 6304-N | 20 mm | 52 mm | 15 mm | — N | — N | — rpm | — rpm |
| 6303-N | 17 mm | 47 mm | 14 mm | — N | — N | — rpm | — rpm |
| 6302-N | 15 mm | 42 mm | 13 mm | — N | — N | — rpm | — rpm |
| 6301-N | 12 mm | 37 mm | 12 mm | — N | — N | — rpm | — rpm |
| 6300-N | 10 mm | 35 mm | 11 mm | — N | — N | — rpm | — rpm |
| 6220-N | 100 mm | 180 mm | 31 mm | — N | — N | — rpm | — rpm |
| 6219-N | 95 mm | 170 mm | 32 mm | — N | — N | — rpm | — rpm |
| 6218-N | 90 mm | 160 mm | 30 mm | — N | — N | — rpm | — rpm |
| 6217-N | 85 mm | 150 mm | 28 mm | — N | — N | — rpm | — rpm |