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：2026-06-24
Application:Leather Products,Oral Image,education model Instruments,beverage production,mechanical annex,casting embedding,auto tools,reducer,drawing die,lifting equipment Hoisting hoist,leather processing
Similar models:BT4B 328912 G/HA1VA901 BT4B 328912 E3/C675 BT4B 328912 E1/C300
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Model No. Inner Diameter Outer Diameter Width Type

1068453
17x40x7 HMS5 RG
C 2211 KTN9
SNW 124x4.3/16
W 61913

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Hot number： 11124 130x170x12 HMS5 V 26x42x8 CRS1 R 28x38x8 HMSA10 RG 7024 CD/P4AL 95x145x12 HMSA10 V 9863 BC2B 326363/HA4 FSAF 1615 x 2.1/2 T FSAF 22517 x 3 NU 1052 M OKC 740 PBM 142030 M1G1 SILJ 100 ES STO 6 XTN

Model No.	Inner Diameter	Outer Diameter	Width	Type
1068453
17x40x7 HMS5 RG
C 2211 KTN9
SNW 124x4.3/16
W 61913