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：2026-04-16
Application:power source,Beauty and Body,noise inspection,storage and transportation equipment,non-ferrous metal alloy,tapered grinder,casting embedding,safety testing,coal,die casting mold,Dental Drill etc
Similar models:PCZ 11260 E T7FC 080 52308 S7013 ACD/P4A W 61910 SAF 23034 KAT x 5.15/16 PSM 121608 A51 32016 X NUH 2238 ECMH C 5918-2CS5V/GEM9
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71832 ACD/HCP4	160	200	20	Bearings, units and housings
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HK 1012.2RS	10	14	12	Bearings, units and housings
SAF 23040 KA x 7.3/16	182.5625	-	-	Bearings, units and housings
SALKAC 14 M	14	-	19	Bearings, units and housings
SI 35 ES-2RS	35	-	25	Bearings, units and housings

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Hot number： 15312 208-2Z 21171 212-2Z 30 VA R 380x425x20 HDS2 R TQO design BTW 140 CM/SP GS 81144 NJ 326 ECM NU 2214 ECP PWTR 1542.2RS SNW 126x4.7/16 SNW 9x1.3/8 W 61700 X-2ZS