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

BT4-8108 E/C625

SKF Explorer

Design

Design variant/feature

TQON/GW

Dimensions

d		540	mm
D		690	mm
B		400	mm
T		400	mm
d₁	≈	568	mm
D₁	≈	635	mm
r_1,2	min.	2	mm
r_3,4	min.	5	mm

Calculation data

Basic dynamic load rating	C	8150	kN
Basic static load rating	C₀	19300	kN
Fatigue load limit	P_u	1400	kN
Comparative radial load rating	C_F	1730	kN
Comparative axial load rating	C_Fa	3450	kN
Thrust factor	K	1.45
Calculation factor	e	0.4
Calculation factor	Y₁	1.7
Calculation factor	Y₂	2.5
Calculation factor	Y₀	1.6

Mass

Mass bearing

370

Model Number: TQO design
Inner Diameter：540mm Outer Diameter：690mm 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:sheet industry,thin metal materials,large agricultural machinery,industrial fans,hydraulic cylinder,packaging materials,cleaners,medical equipment,Air,chromatography,tobacco machinery
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