Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328773 G/HA1

BT4B 328773 G/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		482.6	mm
D		630	mm
B		420	mm
T		420	mm
d₁	≈	506	mm
D₁	≈	570	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	6600	kN
Basic static load rating	C₀	19300	kN
Fatigue load limit	P_u	1400	kN
Comparative radial load rating	C_F	1760	kN
Comparative axial load rating	C_Fa	284	kN
Thrust factor	K	1.76
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

345

Model Number: BT4B 328773 G/HA1
Inner Diameter：482.6mm Outer Diameter：630mm 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：2026-08-21
Application:power source,Laser Devices,Internal thread type,garbage disposal,animal,Handling machinery and various industrial machinery,switch,Hairbrush device,metallurgical mold,marine test,other accessories
Similar models:BT4B 328773 G/HA1
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Model No. Inner Diameter Outer Diameter Width Type

24287
HA 3130 E
NJ 1080 MA
QJ 313 MA
RN-3.5x29.8 BF/G2

Purchase the SKF BT4B 328773 G/HA1 Four-row tapered roller bearings, TQO design Please fill in the following

Hot number： 1209 EKTN9 + H 209 1650 VL V 30215/DF 50x68x10 HMS5 V 61909-2RZ 6007 NR 626-2RSH 6767 7010 CE/HCP4AL1 99238 BT4B 328826 G/HA1 GEZ 106 ES IR 30x35x13 NCF 2330 ECJB NJ 1076 MA

Model No.	Inner Diameter	Outer Diameter	Width	Type
24287
HA 3130 E
NJ 1080 MA
QJ 313 MA
RN-3.5x29.8 BF/G2