Welcome: Lead Bearing Co.,Ltd.
leadbearingca852@gmail.com +86 15965629650

BT4B 331243 A/HA1 rolling mill bearing four row taper roller bearing

BT4B 331243 A/HA1
Size:520.7x711.2x400.05mm
Applications:
Low- and medium-speed rolling mills

TQO bearings are directly mounted and comprised of two double inner races, two single and one double outer race, with an inner race 

spacer and two outer race spacers.

Slots in the inner race spacer permit lubricant to flow from the bearing chamber to the roll neck.  The inner race spacers are hardened to 

minimize face wear.

Size range:

ID 50.800 mm to 1500.000 mm (2.0000 in. to 59.0551 in.)

OD 83.337 mm to 2032.000 mm (3.2810 in. to 80.0000 in.)

Design Attributes:

Two double cones, two single cups and a double cup with a cone spacer and two cup spacers.

Spacers have slots or holes for lubrication.

Cone spacers are hardened to reduce face wear.

Numbered serially to assure correct installation sequence.

Applications:

Low- and medium-speed rolling mills

Simple Drawing

4  r.png

Technical Data:

BT4B 331243 A/HA1 rolling mill bearing four row taper roller bearing

Part Number

Principal dimensions

Basic load ratings

dynamic

static


d[mm]

D[mm]

B[mm]

T[mm]

C[kN]

C0[kN]

  BT4B 332502/HA1

  460

  625

  421

  421

  7 210

  20 000

  BT4B 328913 BG/HA1C555

  475

  600

  368

  368

  5 720

  16 600

  330886 B

  479.425

  679.45

  495.3

  495.3

  9 350

  22 500

  332096 E/C725

  482.6

  615.95

  330.2

  330.2

  6 300

  15 300

  BT4-8163 E8/C725

  482.6

  615.95

  330.2

  330.2

  6 300

  14 300

  BT4-8163 E81/C725

  482.6

  615.95

  330.2

  330.2

  6 300

  14 300

  BT4-8163 E8A/C725

  482.6

  615.95

  330.2

  330.2

  6 300

  14 300

  BT4B 328842 E1/C325

  482.6

  615.95

  330.2

  330.2

  6 100

  13 700

  BT4B 331259 BG/HA1C325

  482.6

  647.7

  417.512

  417.512

  7 650

  20 000

  331090 E/C700

  489.026

  634.873

  320.675

  320.675



  BT4-8135 E/C750

  490

  625

  385

  385

  7 100

  16 300

  BT4-8056 G/HA1

  500

  670

  400.05

  387.35

  7 810

  19 300

  331081 A

  501.65

  711.2

  520.7

  520.7

  10 200

  27 500

  BT4-8167 E8/C775

  510

  655

  377

  379

  7 650

  17 600

  BT4-8167 E81/C775

  510

  655

  377

  379

  7 650

  17 600

  BT4B 331243 A/HA1

  520.7

  711.2

  400.05

  400.05

  8 068

  19 600

  BT4-8043 G/HA1

  530

  680

  440

  440

  8 250

  23 600

  331978 BG

  540

  690

  400

  400

  7 480

  21 200

  BT4-8108 E/C625

  540

  690

  400

  400



  331165 A

  558.8

  736.6

  322.265

  322.268

  6 270

  16 600

  331165 AG

  558.8

  736.6

  322.265

  322.268

  6 820

  16 600

  BT4-8022 G/HA1VA919

  558.8

  736.6

  455.612

  457.2

  8 580

  23 200

  BT4B 330993 AG/HA1

  558.8

  736.6

  409.575

  409.575

  8 580

  23 200

  BT4B 334080 G/HA1VA901

  558.8

  736.6

  409.575

  409.575

  6 600

  20 000

  BT4-8153 E/C775

  560

  700

  405

  405

  8 000

  21 200

  BT4B 328509/HA4

  560

  920

  618

  618

  16 500

  34 000

  BT4B 332666/HA1

  571.5

  812.8

  593.725

  593.725

  13 200

  36 000

  331148 A

  584.2

  762

  396.875

  401.638

  7 650

  22 400

  BT4B 331189 E/C600

  584.2

  730.25

  342.9

  349.25

  5 940

  17 000

  BT4B 328888 BG/HA1VA901

  585.788

  771.525

  479.425

  479.425

  10 200

  27 500