BC4B 320989/HA3
Precision cylindrical roller bearing > Four row cylindrical roller bearing
BC4B 320989/HA3 - Precision cylindrical roller bearing - Four row 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 |
Product Details
The BC4B 320989/HA3 is part of the Four row cylindrical roller bearing series within our Precision cylindrical roller bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.
Typical applications include: machine tool spindles, rolling mills, gearboxes and industrial pumps. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.
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BC4B 320989/HA3 / Four row cylindrical roller bearing / Precision cylindrical roller bearing