Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328159/HA1

BT4B 328159/HA1

Design

Design variant/feature

TQO/WI

Dimensions

d		360	mm
D		540	mm
B		280	mm
T		280	mm
d₁	≈	400	mm
D₁	≈	478	mm
r_1,2	min.	5	mm
r_3,4	min.	5	mm

Calculation data

Basic dynamic load rating	C	4400	kN
Basic static load rating	C₀	9000	kN
Fatigue load limit	P_u	735	kN
Comparative radial load rating	C_F	1140	kN
Comparative axial load rating	C_Fa	256	kN
Thrust factor	K	1.31
Calculation factor	e	0.44
Calculation factor	Y₁	1.5
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.4

Mass

Mass bearing

230

Model Number: BT4B 328159/HA1
Inner Diameter：360mm Outer Diameter：540mm 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：2026-06-24
Application:electromyography machine,Grinding and polishing equipment,Broadcasting System,Automobile,wall industry,switch,Garment Accessories,Traffic Fire Protection Equipment Security equipment,Forklift industry,Doppler,oral medical device
Similar models:BT4B 328159/HA1
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Model No. Inner Diameter Outer Diameter Width Type

61809
GEC 460 FBAS
SNW 38x6.13/16
W 61909 R-2Z
W 61807-2RZ

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Model No.	Inner Diameter	Outer Diameter	Width	Type
61809
GEC 460 FBAS
SNW 38x6.13/16
W 61909 R-2Z
W 61807-2RZ