Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331934/HA4

BT4B 331934/HA4

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		1580	mm
D		1960	mm
B		1080	mm
T		1080	mm
d₁	≈	1650	mm
D₁	≈	1810	mm
r_1,2	min.	5	mm
r_3,4	min.	12	mm

Calculation data

Basic dynamic load rating	C	45700	kN
Basic static load rating	C₀	176000	kN
Fatigue load limit	P_u	8650	kN
Comparative radial load rating	C_F	12200	kN
Comparative axial load rating	C_Fa	2010	kN
Thrust factor	K	1.77
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

7800

Model Number: BT4B 331934/HA4
Inner Diameter：1580mm Outer Diameter：1960mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Roller bearings Tapered roller bearings Four-row tapered roller bearings
Details： Four-row tapered roller bearings Four-row tapered roller bearings, TQO design
Update date：2026-08-20
Application:trolley,pneumatic Pump,paper processing machine,tower crane,wall materials,Chromatography Products,packing equipment,sterilizers,Cylinder Type,plastic blow molding,thin metal materials
Similar models:BT4B 331934/HA4
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Model No. Inner Diameter Outer Diameter Width Type

305702 C-2RS1
53411 + U 411
591/600 F
71908 CE/P4AL
78x100x10 HMS5 V

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Model No.	Inner Diameter	Outer Diameter	Width	Type
305702 C-2RS1
53411 + U 411
591/600 F
71908 CE/P4AL
78x100x10 HMS5 V