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 330650 E/C500

SKF Explorer

Design

Design variant/feature

TQON/GW

Dimensions

d		406.4	mm
D		546.151	mm
B		288.925	mm
T		288.925	mm
d₁	≈	434	mm
D₁	≈	494	mm
r_1,2	min.	1.5	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	5000	kN
Basic static load rating	C₀	10200	kN
Fatigue load limit	P_u	815	kN
Comparative radial load rating	C_F	1080	kN
Comparative axial load rating	C_Fa	252	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

186

Model Number: TQO design
Inner Diameter：406.4mm Outer Diameter：546.151mm 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:economic mold,key lock,light therapy instrument,tube,stamping die and its equipment,floor industry,top industry,Machine tool accessories,Safety protection,Textile Accessories,plastic blow molding
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