Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF TQO design

BT4-8124 E/C550

SKF Explorer

Design

Design variant/feature

TQON/GW

Dimensions

d		440	mm
D		580	mm
B		360	mm
T		360	mm
d₁	≈	464	mm
D₁	≈	525	mm
r_1,2	min.	2.5	mm
r_3,4	min.	7.5	mm

Calculation data

Basic dynamic load rating	C	6200	kN
Basic static load rating	C₀	14300	kN
Fatigue load limit	P_u	1080	kN
Comparative radial load rating	C_F	1320	kN
Comparative axial load rating	C_Fa	290	kN
Thrust factor	K	1.31
Calculation factor	e	0.44
Calculation factor	Y₁	1.5
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.4

Mass

Mass bearing

257

Model Number: TQO design
Inner Diameter：440mm Outer Diameter：580mm 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：2026-07-30
Application:Forging machine,Hydraulic Hose,Solenoid Valves,large agricultural machinery,Sensors,raw material accessories,packaging machinery,security equipment,Low-voltage electrical equipment,reinforced machinery,Broadcasting System
Similar models:309-2Z 23138 CCK/W33 6208-Z 60880 MA BT4B 328842 E1/C325 N 04 D/W R166 R-2Z 6012-RZ SAF 22538 D/W RW166 R
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Model No. Inner Diameter Outer Diameter Width Type

315189 A
GEP 1000 FS
PSMF 152015 A51
SYNT 55 LTF
Z 304

Purchase the SKF TQO design Four-row tapered roller bearings, TQO design Please fill in the following

Hot number： 1600018 20140 22218 E 24138 CC/W33 30060 3202 ATN9 51115 460x510x22 HDS2 V 608-2RSLTN9/HC5C3WTF1 7001 ACE/P4AH 71807 CD/HCP4 FYTWK 510 L OKCX 780 OH 3980 HE SAFS 23026 KA x 4.5/16

Model No.	Inner Diameter	Outer Diameter	Width	Type
315189 A
GEP 1000 FS
PSMF 152015 A51
SYNT 55 LTF
Z 304