Four-row Tapered Roller Bearing
Four row tapered roller bearings mainly used in steel rolling mill machines such as cold/hot rolling mills and bloomers. The feature of this kind of bearings are similar as double row tapered roller bearings. But they can endure stronger radial load than double row tapered roller bearings with lower limit rotation speed that mainly used for heavy-duty machinery.
Boundary dimensions(mm) Designations Equivalent to foreign designations(For your information)
d D B Fw   SKF FAG NSK NTN KOYO TIMKEN URB
510 655 379 377 (T) 3806/510-1
510 655 377 379 (T) 3806/510
530 780 450 450 (T) 3810/530
530 870 590 590 (T) 3811/530
540 690 400 400 (T) 3806/540
558.8 736 450 450 (T) 3806/558.8
560 750 368 368 (T) 3819/560
560 920 620 620 (T) 3811/560
600 800 365 365 (T) 3806/600
600 800 380 380 (T) 3819/600
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