BC4B 320989/HA3
Precision cylindrical roller bearing > Four row cylindrical roller bearing
BC4B 320989/HA3 - Four row cylindrical roller bearing - Precision cylindrical roller bearing
| Product model | BC4B 320989/HA3 |
|---|---|
| d | 380 mm |
| D | 540 mm |
| B | 400 mm |
| 外圈上的轴承总宽度(C) | 380mm |
| 活动凸缘环孔径(D1) | ≈492.5mm |
| D1 | ≈492.5mm |
| 内圈滚道直径(F) | 422mm |
| 环形槽宽度(b) | 13.9mm |
| 润滑孔直径（外圈）(K) | 7.5mm |
| 内圈圆角半径/倒角(r1,2) | min.4mm |
| 内圈倒角(α) | 20° |
| 外圈倒角尺寸(r3,4) | min.2mm |
| Fatigue load limit(Pu) | 1200kN |
| 计算系数(kr) | 650 |
| Weight轴承 | 300kg |
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BC4B 320989/HA3 / Four row cylindrical roller bearing / Precision cylindrical roller bearing