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

BT4-8173 E81/C725

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		450	mm
D		595	mm
B		368	mm
T		368	mm
d₁	≈	481	mm
D₁	≈	518	mm
r_1,2	min.	3	mm
r_3,4	min.	6	mm

Calculation data

Basic dynamic load rating	C	6550	kN
Basic static load rating	C₀	15300	kN
Fatigue load limit	P_u	1160	kN
Comparative radial load rating	C_F	1630	kN
Comparative axial load rating	C_Fa	254	kN
Thrust factor	K	1.83
Calculation factor	e	0.31
Calculation factor	Y₁	2.2
Calculation factor	Y₂	3.3
Calculation factor	Y₀	2.2

Mass

Mass bearing

279

Model Number: TQO design
Inner Diameter：450mm Outer Diameter：595mm 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:Special Equipment,printing machinery,Oral Image,sewage pump,magnetic elements,comprehensive experiment,circulating pump,Technical Equipment,marine analysis and testing equipment,Wire grinder,other lathe
Similar models:BT2-8131 A AOH 31/560 PSM 606850 A51 6203-2Z HJ 236 EC 81288 M FY 15/16 TF NJ 2305 ECP H 3124 GRA 3034
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Model No. Inner Diameter Outer Diameter Width Type

18695
3306 A-2ZTN9/MT33
71916 CB/HCP4A
G 20x26x4
W 619/8 R-2Z

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

Hot number： 12610 241/1000 ECAF/W33 55x80x10 HMS5 RG 59176 F 619/7-2Z 7324 BGBM 7004 ACE/HCP4AL 7006 CD/P4AH 7220 BECCM 9308 99157 NU 1019 ML PCM 121412 M RNA 4903 SSAFS 22534 x 6 TLC

Model No.	Inner Diameter	Outer Diameter	Width	Type
18695
3306 A-2ZTN9/MT33
71916 CB/HCP4A
G 20x26x4
W 619/8 R-2Z