Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328871 BG/HA1VA902

BT4B 328871 BG/HA1VA902

Design

Design variant/feature

TQOSN/GWISI

Dimensions

d		609.6	mm
D		787.4	mm
B		361.95	mm
T		361.95	mm
d₁	≈	645	mm
D₁	≈	735	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	7370	kN
Basic static load rating	C₀	18600	kN
Fatigue load limit	P_u	1370	kN
Comparative radial load rating	C_F	1800	kN
Comparative axial load rating	C_Fa	323	kN
Thrust factor	K	1.58
Calculation factor	e	0.37
Calculation factor	Y₁	1.8
Calculation factor	Y₂	2.7
Calculation factor	Y₀	1.8

Mass

Mass bearing

425

Model Number: BT4B 328871 BG/HA1VA902
Inner Diameter：609.6mm Outer Diameter：787.4mm 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：2026-04-19
Application:Gas turbine,other processing,Beauty and Body,beverage production,stacker lift platform,DC generators,Processing machinery,generator,extruder,Broadcasting System,Industry
Similar models:BT4B 328871 G/HA1VA901 BT4B 328871 BG/HA1VA902
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Model No.	Inner Diameter	Outer Diameter	Width	Type
12445	31.75	50.8	6.35	Seals
BD-23956 CCK/W33-OH 3956 H	260	380	75	Bearings, units and housings
32052 X/DF	260	400	-	Bearings, units and housings
594082	4142.1812	-	-	Seals
6391	15.875	34.98	6.35	Seals
99169	42	53.0098	17.5006	Seals
FY 20 TF	20	-	-	Bearings, units and housings
FYNT 80 F	80	-	-	Bearings, units and housings
KML 36	27	-	180	Bearings, units and housings
KMTA 26	32	-	130	Bearings, units and housings
NN 3016 KTN/SP	80	125	34	Bearings, units and housings
NX 30	30	42	30	Bearings, units and housings

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