Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328909 G/HA1VA901

BT4B 328909 G/HA1VA901

Design

Design variant/feature

TQOS/GWISI

Dimensions

d		304.8	mm
D		501.65	mm
B		336.55	mm
T		336.55	mm
d₁	≈	350	mm
D₁	≈	442	mm
r_1,2	min.	2	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	4730	kN
Basic static load rating	C₀	9300	kN
Fatigue load limit	P_u	780	kN
Comparative radial load rating	C_F	1250	kN
Comparative axial load rating	C_Fa	245	kN
Thrust factor	K	1.47
Calculation factor	e	0.4
Calculation factor	Y₁	1.7
Calculation factor	Y₂	2.5
Calculation factor	Y₀	1.6

Mass

Mass bearing

254

Model Number: BT4B 328909 G/HA1VA901
Inner Diameter：304.8mm Outer Diameter：501.65mm 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：2026-06-25
Application:stacker lift platform,spectrometer,leather processing,electrostatic protection,ignition system,Workpiece,transistor fittings,plant determination,joint protection,electromagnet,Textile Industry Accessories and Accessories
Similar models:BT4B 328909 G/HA1VA901
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Model No. Inner Diameter Outer Diameter Width Type

110x145x12 CRW1 R
400030
71812 ACD/HCP4
71920 CD/P4AL
K 22x32x24

Purchase the SKF BT4B 328909 G/HA1VA901 Four-row tapered roller bearings, TQO design Please fill in the following

Hot number： 20x42x10 HMS5 V 313 623-Z 6303-ZNR 7020 ACB/P4AL 7034 ACD/HCP4AL 71972 ACMB 72x88x8 CRW1 R 780x820x18 HS8 R 812/950 M NJ 322 ECML S71902 CD/P4A SAF 1617 x 3 TLC SAF 23048 KATLC x 8.15/16 SY 1.1/4 TR

Model No.	Inner Diameter	Outer Diameter	Width	Type
110x145x12 CRW1 R
400030
71812 ACD/HCP4
71920 CD/P4AL
K 22x32x24