High Precision Tapered Roller Bearings , Four Row Taper Roller Bearing

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High Precision Tapered Roller Bearings , Four Row Taper Roller Bearing SK BT4B 328922/HA1

Manufacturing Standard:

Precision Rating


Seals Type

Open, Z,ZZ,RS,2RS


Bearing steel,carbon steel,stainless steel,ceramic

Bearing steel standard


Vibration Level Code


Noise Lev


Radial Play(Clearance)


Service support





Tapered roller bearings have tapered inner and outer ring raceways and tapered rollers. They are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads. The projection lines of the raceways meet at a common point on the bearing axis  to provide true rolling and low friction.Depending upon the contact angle, tapered roller bearings are divided into three types; normal angle, medium angle, and steep angle.




1) Single row tapered roller bearings

2) Paired single row tapered roller bearings

3) Double row tapered roller bearings

4) Four-row tapered roller bearings




1) Steel Industry

2) Mining&Construction

3) Papermaking Machinery

4) Wind Turbines

5) Machine Tools

6) Gearboxes

7) Pump&Compressors

8) Injection Molding Machines

9) Motorcycles

10) Railways




Principal dimensions Basic load ratings Designation
        dynamic static  
d D T B C C0  
mm       kN  
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Mr. Xing
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Jiangsu ZRD Bearing Co., Ltd
No. A25, Qingfeng Road, Beitang District, Wuxi, Jiangsu, China (Mainland)
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