Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328887 G/HA1VA901

BT4B 328887 G/HA1VA901

Design

Design variant/feature

TQOES/GWISI

Dimensions

d		482.6	mm
D		615.95	mm
B		406.4	mm
T		330.2	mm
d₁	≈	505	mm
D₁	≈	577	mm
r_1,2	min.	1	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	4950	kN
Basic static load rating	C₀	13700	kN
Fatigue load limit	P_u	1060	kN
Comparative radial load rating	C_F	1430	kN
Comparative axial load rating	C_Fa	236	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

250

Model Number: BT4B 328887 G/HA1VA901
Inner Diameter：482.6mm Outer Diameter：615.95mm 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:position switch,reducer,power source,sucker industry,Industrial,other rubber,chromatography,natural instruments,plastic molding,food sterilization,die casting mold
Similar models:BT4B 328887 G/HA1VA901
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Model No. Inner Diameter Outer Diameter Width Type

120x140x12 HMS5 V
25x37x5 HMSA10 V
350x390x18 HDS1 V
HJ 308 EC
PFT 3/4 FM

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Hot number： 1700 VRME R 24989 470351 528975 61805-2RS1 7007 CE/HCP4A C 6915-2CS5V/GEM9 GEM 60 ES-2LS HK 3026 K 38x46x32 KMFE 18 NNCF 4834 CV NU 348 M OKC 085 PRMF 10010550

Model No.	Inner Diameter	Outer Diameter	Width	Type
120x140x12 HMS5 V
25x37x5 HMSA10 V
350x390x18 HDS1 V
HJ 308 EC
PFT 3/4 FM