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

BT4-8031 E/C800

SKF Explorer

Design

Design variant/feature

TQON/W

Dimensions

d		625	mm
D		815	mm
B		480	mm
T		480	mm
d₁	≈	656	mm
D₁	≈	746	mm
r_1,2	min.	3.2	mm
r_3,4	min.	6.5	mm

Calculation data

Basic dynamic load rating	C	13200	kN
Basic static load rating	C₀	31000	kN
Fatigue load limit	P_u	2120	kN
Comparative radial load rating	C_F	2850	kN
Comparative axial load rating	C_Fa	468	kN
Thrust factor	K	1.74
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

660

Model Number: TQO design
Inner Diameter：625mm Outer Diameter：815mm 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：2026-04-16
Application:metal mold,food testing,Spectrum Products,sucker industry,machine lathe,engineering machine,gear type,Broadcasting System,Dental Drill etc,Gas turbine,vertical processing
Similar models:GE 35 ESX-2LS HK 1712 319436 DA-2LS QJ 1021 N2MA/C4 HJ 217 EC SE 510-608 BK 0808 PCZ 0612 E 6303-RSL YAR 206-104-2RFGR/HV
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Model No.	Inner Diameter	Outer Diameter	Width	Type
19380	49.2252	77.75	7.95	Seals
6007/HR11QN	35	62	14	Bearings, units and housings
708 ACD/P4AH	8	22	7	Bearings, units and housings
71924 CE/P4AL	120	165	22	Bearings, units and housings
81208 TN	40	68	19	Bearings, units and housings
85 VS R	76	-	-	Seals
99650	165.1	177.8	31.75	Seals
N 215 ECP	75	130	25	Bearings, units and housings
PBM 455545 M1G1	45	55	45	Bearings, units and housings
PSM 141810 A51	14	18	10	Bearings, units and housings
W 6007-2Z	35	62	14	Bearings, units and housings
SSAFS 23052 KA x 9.1/2	241.3	-	-	Bearings, units and housings

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