Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328912 G/HA1VA901

BT4B 328912 G/HA1VA901

Design

Design variant/feature

TQOS/GWISI

Dimensions

d		355.6	mm
D		488.95	mm
B		317.5	mm
T		317.5	mm
d₁	≈	382	mm
D₁	≈	448	mm
r_1,2	min.	1	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	4130	kN
Basic static load rating	C₀	10000	kN
Fatigue load limit	P_u	830	kN
Comparative radial load rating	C_F	1080	kN
Comparative axial load rating	C_Fa	177	kN
Thrust factor	K	1.75
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

170

Model Number: BT4B 328912 G/HA1VA901
Inner Diameter：355.6mm Outer Diameter：488.95mm 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：2026-04-16
Application:Infrared Technology,food safety,ECG,glass,turret industry,mobile toilet,food sterilization,industrial skin care,sample cup,water,Plastic Equipment
Similar models:BT4B 328912 E3/C675 BT4B 328912 G/HA1VA901 BT4B 328912 E1/C300
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13662	34.925	53.98	6.35	Seals
BD-23138-2CS5K/VT143-H 3138	170	320	104	Bearings, units and housings
30234/DF	170	310	-	Bearings, units and housings
43150	109.5248	152.4	-	Seals
7515	19.05	34.93	6.35	Seals
GE 45 CJ2	45	68	32	Bearings, units and housings
H 2320 E	90	100	97	Bearings, units and housings
NU 203 ECP	17	40	12	Bearings, units and housings
PWM 130145120	130	145	120	Bearings, units and housings
RIS 208 A	-	-	-	Bearings, units and housings
SYR 1 15/16	49.2125	-	-	Bearings, units and housings
WS 81217	85		9.5	Bearings, units and housings

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