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

BT4-8160 E81/C400

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		343.052	mm
D		457.098	mm
B		254	mm
T		254	mm
d₁	≈	365	mm
D₁	≈	417	mm
r_1,2	min.	1	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	3600	kN
Basic static load rating	C₀	7100	kN
Fatigue load limit	P_u	600	kN
Comparative radial load rating	C_F	765	kN
Comparative axial load rating	C_Fa	179	kN
Thrust factor	K	1.23
Calculation factor	e	0.48
Calculation factor	Y₁	1.4
Calculation factor	Y₂	2.1
Calculation factor	Y₀	1.4

Mass

Mass bearing

111

Model Number: TQO design
Inner Diameter：343.052mm Outer Diameter：457.098mm 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:,Workpiece,Gear grinding machine,wall industry,welding equipment,hydraulic cylinder,outdoor equipment,tray industry,standing experimental equipment,Plastic Equipment,hydraulic actuator
Similar models:NKIB 5911 S7008 CD/HCP4A NNU 4968 B/SPW33 N 1020 KTN9/SP N 1018 KTNHA/SP AXK 75100 STO 20 SSAFS 22532 FYTBK 35 LD 3205 A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
15204	38.1	68.99	11.13	Seals
150x200x12 HMSA10 V	150	200	12	Seals
45x60x8 CRW1 R	45	60	8	Seals
61830	150	190	20	Bearings, units and housings
91382	-	-	44	Seals
AOH 24048	220	240	138	Bearings, units and housings
FYR 3 11/16	93.6625	-	-	Bearings, units and housings
GE 12 C	12	22	10	Bearings, units and housings
MVR2-17	17	34	-	Seals
NU 348 ML	240	500	95	Bearings, units and housings
S7213 CD/HCP4A	65	120	23	Bearings, units and housings
WS 81126	130		9	Bearings, units and housings

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