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：2025-12-09
Application:Spectrum Products,metallurgy,Textile Industry Accessories and Accessories,machining,respirator,training beds etc,aerial work platform,Medical equipment,car instrument,Broadcasting System,walking Food processing machinery and equipment
Similar models:330803 A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13582	34.925	52.37	7.95	Seals
471651	1559	-	-	Seals
7014 ACD/HCP4AH1	70	110	20	Bearings, units and housings
90849	-	-	25.4	Seals
94700/94113	177.8	288.925	63.5	Bearings, units and housings
BK 2538	25	32	38	Bearings, units and housings
NU 2292 MA	460	830	212	Bearings, units and housings
NU 2344 ECML	220	460	145	Bearings, units and housings
NU 326 ECML	130	280	58	Bearings, units and housings
SAF 22624 x 4	101.6	-	-	Bearings, units and housings
PCZ 4448 M	69.85	74.6125	76.2	Bearings, units and housings
T7FC 085	85	170	48	Bearings, units and housings

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Hot number： 13703 232/560 CAK/W33 305180 406503 7008 CD/HCP4A BK 1622 FYRP 2 3/4-3 C 2216 FSAF 22517 T NNU 41/900 K30M/W33 OH 32/530 H SAW 23524 x 4 SYNT 45 L W 61805-2RZ W 619/7 R