Bearings BT4B331334/HA4 is made of extremely clean and homogenous steel and undergo a unique heat treatment, which improve the resistance to wear.Hence that, BT4B 331334/HA4 rolling mill bearings is always been considered as first choice whether in hot or cold rolling mills.
1 Specifications of rolling mill bearings BT4B 331334/HA4
d 1139.825 mm
D 1509.712 mm
B 923.925 mm
T 923.925 mm
d1 ≈ 1220 mm
D1 ≈ 1375 mm
r1,2 min. 4.8 mm
r3,4 min. 12.7 mm
Basic dynamic load rating C 33600 kN
Basic static load rating C0 108000 kN
Fatigue load limit Pu 5850 kN
Comparative radial load rating CF 9000 kN
Comparative axial load rating CFa 1480 kN
Thrust factor K 1.76
Calculation factor e 0.31
Calculation factor Y1 2.2
Calculation factor Y2 3.3
Calculation factor Y0 2.2
Mass bearing 4840 kg
2 Product pictures of bearings BT4B 331334HA4(TQO design)
3 What is TQO design?
Four row tapered roller bearings are primarily produced with the TQO configuration. In the TQO configuration, there are two rollers and cage assemblies arranged face to face.
4 How to store bearings BT4B 331334/HA4?
The bearings BT4B 331334/HA4 can be stored in their original unopened packaging for several years, provided the relative humidity in the storage room does not exceed 60%. The bearings must be stored lying down and should only be removed from the packaging just before mounting in order to prevent BT4B 331334/HA4 from becoming dirty.
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