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 331747 E/C775

SKF Explorer

Design

Design variant/feature

TQON/GW

Dimensions

d		510	mm
D		655	mm
B		377	mm
T		379	mm
d₁	≈	539	mm
D₁	≈	602	mm
r_1,2	min.	1.5	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	7800	kN
Basic static load rating	C₀	19000	kN
Fatigue load limit	P_u	1370	kN
Comparative radial load rating	C_F	1660	kN
Comparative axial load rating	C_Fa	273	kN
Thrust factor	K	1.76
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

325

Model Number: TQO design
Inner Diameter：510mm Outer Diameter：655mm 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:Spectrum Products,medical Equipment,wall industry,agrochemical,experimental equipment,disposable,Equipment,oral medical device,municipal machinery,expectoration machine,Industrial
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