Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4-8139 G/HA1

BT4-8139 G/HA1

Design

Design variant/feature

TQON/GW

Dimensions

d		711.2	mm
D		914.4	mm
B		390	mm
T		390	mm
d₁	≈	760	mm
D₁	≈	847	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	7650	kN
Basic static load rating	C₀	19300	kN
Fatigue load limit	P_u	1340	kN
Comparative radial load rating	C_F	1830	kN
Comparative axial load rating	C_Fa	344	kN
Thrust factor	K	1.54
Calculation factor	e	0.37
Calculation factor	Y₁	1.8
Calculation factor	Y₂	2.7
Calculation factor	Y₀	1.8

Mass

Mass bearing

600

Model Number: BT4-8139 G/HA1
Inner Diameter：711.2mm Outer Diameter：914.4mm 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：2026-08-24
Application:die casting mold,hardware,surgical instruments,hinge industry,Medical equipment,animal anatomy,top industry,switch,Internal thread type,storage and transportation equipment,medical equipment
Similar models:BT4-8139 G/HA1
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Model No. Inner Diameter Outer Diameter Width Type

340x380x18 HDS1 V
6207/HC5C3
99262
FYTB 1.1/8 TF
PCZ 2824 M

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Hot number： 11736 14500 15742 24030 CCK30/W33 5926 54971 80x95x10 HMS5 V 81253 BD-C 41/560 K30MB-AOH 241/560 G HA 3030 N 1014 KTNHA/HC5SP PCM 808580 M SAF 22638 x 7 SSAFS 22220 ZW 45x55

Model No.	Inner Diameter	Outer Diameter	Width	Type
340x380x18 HDS1 V
6207/HC5C3
99262
FYTB 1.1/8 TF
PCZ 2824 M