four-row cylindrical roller bearings for steel industry
+30years working with steel industry
compatible for rolling mill stands of Primetal, Danieli, SMS, etc.
widely used in steel rolling mills
OEM service
contact us for stock list
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Boundary Dimensions | d | 340 | mm | |||
| D | 490 | mm | |||||
| B | 300 | mm | |||||
| Fw | 377 | mm | |||||
| Basic Load Ratings | Cr | 3350 | kN | ||||
| C0r | 8300 | kN | |||||
| Speed Ratings | Grease | 750 | rpm | ||||
| Oil | 950 | rpm | |||||
| Weight | 187 | Kg | |||||
| Equivalent | SKF | FAG | NSK | NTN | KOYO | TIMKEN | URB |
| 4R6804 | |||||||
stabilizing treatment allowing the bearings to work with temperatures up to 150° C, without dimensional change and distortion;