Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF 330903 A

330903 A

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		901.7	mm
D		1295.4	mm
B		901.7	mm
T		914.4	mm
d₁	≈	985	mm
D₁	≈	1148	mm
r_1,2	min.	4.8	mm
r_3,4	min.	12.7	mm

Calculation data

Basic dynamic load rating	C	30800	kN
Basic static load rating	C₀	86500	kN
Fatigue load limit	P_u	5000	kN
Comparative radial load rating	C_F	8300	kN
Comparative axial load rating	C_Fa	1380	kN
Thrust factor	K	1.74
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

4170

Model Number: 330903 A
Inner Diameter：901.7mm Outer Diameter：1295.4mm 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：2026-06-24
Application:Display Devices,mechanical annex,engine,other rubber,water protection,oral medical device,glass,education model Instruments,Industrial Electromechanical,intermediate,Tool
Similar models:330903 A
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Model No. Inner Diameter Outer Diameter Width Type

23244 CC/W33
411003
89949
AOH 3156 G
NNC 4868 CV

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Model No.	Inner Diameter	Outer Diameter	Width	Type
23244 CC/W33
411003
89949
AOH 3156 G
NNC 4868 CV