Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4-8111 E2/C725

BT4-8111 E2/C725

Design

Design variant/feature

TQOSN/GWISI

Dimensions

d		460	mm
D		610	mm
B		360	mm
T		360	mm
d₁	≈	488	mm
D₁	≈	562	mm
r_1,2	min.	1.5	mm
r_3,4	min.	6	mm

Calculation data

Basic dynamic load rating	C	6800	kN
Basic static load rating	C₀	14300	kN
Fatigue load limit	P_u	1100	kN
Comparative radial load rating	C_F	1430	kN
Comparative axial load rating	C_Fa	236	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

279

Model Number: BT4-8111 E2/C725
Inner Diameter：460mm Outer Diameter：610mm 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:car steering pin,chemical instruments,mechanical and electrical,Spectral Products,other accessories,axle lathe,EEG,motorcycle,milling head plug,bio-chemical,circulating pump
Similar models:GS 81116 GS 81111 K 81115 TN WS 81110 PSM 081112 A51 K 81114 TN GS 81117 81118 TN 81115 TN K 81118 TN
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