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BT4B 328100/HA4 Bearing

rolling mill bearings BT4B 328100/HA4 1070.001*1399.997*889.762mm bearing bearing 1070.001x1399.997x889.762mm four row tapered roller bearings BT4B 328100/HA4

Description

The four-row taper roller bearing BT4B 328100/HA4 is a most common radial roll bearing. Bearing BT4B 328100/HA4 has a high bearing capacity and can bear the combined load which is mainly consisted by the radial load. Its radial loading capacity is 2.5 -3.5 times that of a single-row bearing. Bearing BT4B 328100/HA4 can bear both very high radial and axial loads. Compared to a four-row cylindrical roller bearing, BT4B 328100/HA4 has a relatively low speed due to the restriction of its structure.

The four-row tapered roller bearing BT4B 328100/HA4 can bear axial loads in double directions, so it can be used as a bidirectional thrust bearing.


1 Dimensions of BT4B 328100/HA4 bearing

drawing of rolling mill bearings BT4B 328100HA4 bearing

d 1070.001 mm

D 1399.997 mm

B 889.762 mm

T 889.762 mm

d1 ≈ 1118 mm

D1 ≈ 1273 mm

r1,2 min. 4 mm

r3,4 min. 12 mm

Calculation data

Basic dynamic load rating C 30300 kN

Basic static load rating C0 100000 kN

Fatigue load limit Pu 5500 kN

Comparative radial load rating CF 8000 kN

Comparative axial load rating CFa 1320 kN

Thrust factor K 1.76  

Calculation factor e 0.33  

Calculation factor Y1 2  

Calculation factor Y2 3  

Calculation factor Y0 2  

Mass

Mass bearing 3730 kg


2 Product picture of BT4B 328100/HA4 rolling mill bearing

Four Row taper-roller-bearings BT4B 328100HA4 Four-row tapered roller bearings-BT4B 328100HA4

3 Application of bearing BT4B 328100/HA4

The four-row tapered roller bearings BT4B 328100/HA4 is used in the working roll necks of hot or cold rolling mills, and roll neck of cogging mills. Bearing 328100/HA4 is clearance fit with roll necks to being mounted and dismouted conveniently.

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