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
150 210 16 165 (T) 382930X2
150 225 136 136 (T) 382030X2
170 260 230 230 (T) 382034X2
180 250 169 190(T) 352936X2D
180 250 207 207(T) 352936X2/DF-1
180 260 185 185(T) 382936X1
180 260 200 200(T) 382936X3
180 280 180 180(T) 380636
200 310 200 200(T) 380640
200 310 275 275(T) 382040
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