Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF 330803 A

330803 A

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		730.25	mm
D		1035.05	mm
B		755.65	mm
T		755.65	mm
d₁	≈	793	mm
D₁	≈	918	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	20500	kN
Basic static load rating	C₀	58500	kN
Fatigue load limit	P_u	3600	kN
Comparative radial load rating	C_F	5500	kN
Comparative axial load rating	C_Fa	909	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

2170

Model Number: 330803 A
Inner Diameter：730.25mm Outer Diameter：1035.05mm 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：2026-08-20
Application:rubber products machinery and equipment,security equipment,training beds etc,bio-chemical,leather processing,Infrared Technology,food / grain / food equipment,Textile Industry Accessories and Accessories,tower crane,medical equipment,chemical instruments
Similar models:330803 A
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Model No. Inner Diameter Outer Diameter Width Type

33018
351794
C 3036
SY 1.9/16 TF
W 6204-2Z

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Model No.	Inner Diameter	Outer Diameter	Width	Type
33018
351794
C 3036
SY 1.9/16 TF
W 6204-2Z