Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328977 BG/HA1VA901

BT4B 328977 BG/HA1VA901

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		660.4	mm
D		812.8	mm
B		365.125	mm
T		365.125	mm
d₁	≈	692	mm
D₁	≈	784	mm
r_1,2	min.	2	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	7210	kN
Basic static load rating	C₀	20400	kN
Fatigue load limit	P_u	1430	kN
Comparative radial load rating	C_F	1730	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

395

Model Number: BT4B 328977 BG/HA1VA901
Inner Diameter：660.4mm Outer Diameter：812.8mm 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：2026-06-24
Application:Logistics Equipment,ignition system,ECG,Industrial equipment,other CNC,paint paint,aerial work platform,food / grain / food equipment,agrochemical,Infrared Technology,Film machine
Similar models:BT4B 328977 BG/HA1VA901
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Model No. Inner Diameter Outer Diameter Width Type

28x40x8 HMSA10 V
C 2211 TN9
K 89415 M
OKCX 800
SSAFS 22532 x 5.1/2

Purchase the SKF BT4B 328977 BG/HA1VA901 Four-row tapered roller bearings, TQO design Please fill in the following

Hot number： 13845 16007 25590/25522 32024 X/DF 38x90x8 CRWA1 R 45x65x8 CRW1 R 555 VE R BSD 3572 C BD-C 3984 KM-OH 3984 HE FSNL 620 TURU OKC 200 NU 321 ECML PCMF 252821.5 E SCF 40 ES W 61810-2RZ

Model No.	Inner Diameter	Outer Diameter	Width	Type
28x40x8 HMSA10 V
C 2211 TN9
K 89415 M
OKCX 800
SSAFS 22532 x 5.1/2