Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF 330990 A

330990 A

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		635	mm
D		901.7	mm
B		654.05	mm
T		654.05	mm
d₁	≈	694	mm
D₁	≈	800	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	15700	kN
Basic static load rating	C₀	45000	kN
Fatigue load limit	P_u	2900	kN
Comparative radial load rating	C_F	4250	kN
Comparative axial load rating	C_Fa	693	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

1420

Model Number: 330990 A
Inner Diameter：635mm Outer Diameter：901.7mm 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：2021-06-06
Application:security equipment,machine tool spindle,sewage pump,beverage production,Industrial,supporting facilities,suction nozzle,lifting chain,powder metallurgy,hanging clamp,Special Equipment
Similar models:330990 A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1000 VA V	910	-	-	Seals
21312 EK	60	130	31	Bearings, units and housings
22244-2CS5/VT143	220	400	108	Bearings, units and housings
240x270x15 HS8 R	240	270	15	Seals
6218 M	90	160	30	Bearings, units and housings
6001/HR11QN	12	28	8	Bearings, units and housings
7211 BEP	55	100	21	Bearings, units and housings
891/500 M	500	600	60	Bearings, units and housings
FYAWK 1.1/2 LTA	38.1	-	-	Bearings, units and housings
K 8x11x13 TN	8	11	13	Bearings, units and housings
S7001 CE/P4A	12	28	8	Bearings, units and housings
SAW 23526 x 4.3/8	111.125	-	-	Bearings, units and housings

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