BC2B 316521
Precision cylindrical roller bearing > Double row cylindrical roller bearing
BC2B 316521 - Double row cylindrical roller bearing - Precision cylindrical roller bearing
| Product model | BC2B 316521 |
|---|---|
| d | 440 mm |
| D | 640 mm |
| B | 230 mm |
| Limiting speed | 1000 r/min |
| Reference speed | 850 r/min |
| D1 | ≈578mm |
| 内圈滚道直径(F) | 482mm |
| 环形槽宽度(b) | 16.7mm |
| 润滑孔直径(K) | 9mm |
| 外圈r1,2 | min.6mm |
| 内圈倒角尺寸(r3,4) | min.6mm |
| 正常位置轴承套圈相对于其他套圈许可轴向位移(s) | max.5.5mm |
| 隔套挡肩直径(da) | max.475mm |
| db | min.487mm |
| 隔套/Da | max.614mm |
| 倒角半径(ra) | max.5mm |
| 倒角半径(rb) | max.5mm |
| Fatigue load limit(Pu) | 780kN |
| 计算系数(kr) | 0.33 |
| Weight轴承 | 250kg |
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BC2B 316521 / Double row cylindrical roller bearing / Precision cylindrical roller bearing