SKF BEARING

SKF Four-Row Tapered Roller Bearings  BT4B 328305/HA1

Four-row tapered roller bearings
SKF Four-row tapered roller bearings can accommodate combined (radial and axial) loads at low to moderate speeds. They are used almost exclusively in work roll applications such as rolling mills.

SKF manufactures four-row tapered roller bearings in the TQO and TQI designs in the following variants:

TQO design bearings (face-to-face arrangement, fig. 1):
open or sealed
with cylindrical or tapered bore
with or without inner ring extension on both sides
with or without helical groove in the bore
basic design or SKF Explorer bearings

TQI design bearings (back-to-back arrangement, fig. 2):
with cylindrical or tapered bore
with or without inner ring extension on one side

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SKF Four-row tapered roller bearings, TQI design .

various part numbers in stock, welcome inquiry. Fast shipment within 2-3 working days.

 

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Designation Principal dimensions Basic load ratings Design variant/feature
dynamic static
d[mm] D[mm] B[mm] T[mm] C[kN] C0[kN]
  331999   431.8   571.5   366.713   320.675   4 950   14 000   TQI
  332297   400   540   330   295   4 840   12 500   TQI
  BT4-8050/HA1   400   540   295   330   4 840   12 500   TQIN
  BT4-8052/HA1   482.6   647.7   436.5   401.638   7 210   20 000   TQI.2
  BT4-8053/HA1   450   595   388   352   5 500   16 300   TQI
  BT4B 328305/HA1   391.071   550   428.625   384.175   6 440   16 600   TQIT
  BT4B 328956/HA4   872.847   1 181.1   714.375   628.65   20 900   57 000   TQIT.1
  BT4B 332786/HA4   872.769   1 181.1   714.375   628.65   20 900   57 000   TQIT.1
  BT4B 332813 B/HA1C425   406.4   565.201   409.575   365.125   6 050   15 600   TQIN
  BT4B 332997 B/HA1   287.5   440   330.3   284   4 180   8 500   TQINT
  BT4B 332997/HA1   287.5   440   330.3   284   4 180   8 500   TQIT
  BT4B 334047/HA1   415.925   590.55   479.96   419.1   7 210   19 300   TQI
  BT4B 334048/HA1   384.175   546.1   437.96   384.175   6 440   16 600   TQI
  BT4B 334056 B/HA1   368.294   523.875   411.162   366.712   5 830   15 000   TQIN
  BT4B 334056/HA1   368.294   523.875   419.96   366.712   5 830   15 000   TQI
  BT4B 334099/HA4   770   1 040   800   650   18 300   53 000   TQITE.1
  BT4B 334125/HA1   555.233   761.873   692.15   536.575   12 388   32 000   TQITE
  BT4B 334147/HA1   450   595   390   352   5 500   16 300   TQI

WHCD Bearing Co.,Ltd is professional bearing supplier, engaged in beaing business with more than eighteen years, export to worldwide countries, as Ameria, European, Middle-East, Southeast Asia …etc. with plenty long-term cooperation cusomers. WHCD Bearing company will provide professional and prompt solution for customers.Original Quality and Warranted, and Bearing experts team support customer service. Various bearing types for customer choose:  

Bearing Types:

Self-aligning ball bearing
Cylindrical roller bearing
Spherical roller bearing
Tapered roller bearing
Angular contact ball
Needle roller
Deep groove ball bearing
Axial deep groove ball
Pillow block bearing and units
LM/Linear Guide
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