Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328986 G/HA1VA901

BT4B 328986 G/HA1VA901

Design

Design variant/feature

TQOES/GWISI

Dimensions

d		343.052	mm
D		457.098	mm
B		323.85	mm
T		254	mm
d₁	≈	362	mm
D₁	≈	420	mm
r_1,2	min.	1	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	2700	kN
Basic static load rating	C₀	6400	kN
Fatigue load limit	P_u	540	kN
Comparative radial load rating	C_F	710	kN
Comparative axial load rating	C_Fa	166	kN
Thrust factor	K	1.23
Calculation factor	e	0.48
Calculation factor	Y₁	1.4
Calculation factor	Y₂	2.1
Calculation factor	Y₀	1.4

Mass

Mass bearing

120

Model Number: BT4B 328986 G/HA1VA901
Inner Diameter：343.052mm Outer Diameter：457.098mm 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：2026-04-17
Application:Pneumatic Actuator,medical equipment,Garment Accessories,Cylinder Pneumatic Treatment Element,journal lathe,non-motor vehicle Electric car,Digital Generator,welding equipment,mobile toilet,Small air generators,machine tool spindle
Similar models:BT4B 328986 G/HA1VA901
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Model No.	Inner Diameter	Outer Diameter	Width	Type
28x47x10 HMSA10 RG	28	47	10	Seals
32213/DF	65	120	-	Bearings, units and housings
448x480x16 HDS2 R	448	480	16	Seals
70x95x10 HMS5 V	70	95	10	Seals
71815 CD/P4	75	95	10	Bearings, units and housings
71915 CD/HCP4AL	75	105	16	Bearings, units and housings
FYTJ 507	-	-	-	Bearings, units and housings
GEZM 300 ES	76.2	120.65	57.15	Bearings, units and housings
PBM 658090 M1G1	65	80	90	Bearings, units and housings
QJ 306 N2MA	30	72	19	Bearings, units and housings
SAF 1611 x 1.7/8	47.625	-	-	Bearings, units and housings
SYJ 65 KF	60	-	-	Bearings, units and housings

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Hot number： 145x180x12 HMS5 RG 22210 E 23026 CCK/W33 + AHX 3026 23236 CC/W33 38x54x8 HMSA92 R 61807-2RZ 7326 BCBM 812/1060 M 812/950 M 88710 99841 NA 6906 RSTO 10 SAF 22615 TLC SAW 23528 x 5 T