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

BT4B 328817 EX1/C475

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		343.052	mm
D		457.098	mm
B		254	mm
T		254	mm
d₁	≈	362	mm
D₁	≈	420	mm
r_1,2	min.	1	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	3100	kN
Basic static load rating	C₀	6400	kN
Fatigue load limit	P_u	540	kN
Comparative radial load rating	C_F	710	kN
Comparative axial load rating	C_Fa	166	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

110

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：2025-12-09
Application:respirator,Generator,car instrument,security equipment,Optical detection,hydraulic pump,Laser Devices,natural instruments,tire industry,other mold,education model Instruments
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