Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF 331081 A

331081 A

Design

Design variant/feature

TQO/GWI

Dimensions

d		501.65	mm
D		711.2	mm
B		520.7	mm
T		520.7	mm
d₁	≈	546	mm
D₁	≈	631	mm
r_1,2	min.	3.2	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	10200	kN
Basic static load rating	C₀	27500	kN
Fatigue load limit	P_u	1960	kN
Comparative radial load rating	C_F	2750	kN
Comparative axial load rating	C_Fa	443	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

755

Model Number: 331081 A
Inner Diameter：501.65mm Outer Diameter：711.2mm 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:Traffic Fire Protection Equipment Security equipment,car and accessories,mobile toilet,other processing,Gripper Swing,thread processing machine,food safety,electronic components,container finishing,Other Measurements,cooling system
Similar models:331081 A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13691	34.925	57.15	7.95	Seals
19607	50	66.62	7.95	Seals
3202 A-2RS1TN9/MT33	15	35	15.9	Bearings, units and housings
33033	84.1502	104.78	11.13	Seals
331981	346.075	488.95	-	Bearings, units and housings
418500	1675	-	-	Seals
BS2-2315-2RSK/VT143	75	160	64	Bearings, units and housings
C 3092 M	460	680	163	Bearings, units and housings
HJ 2205 EC	25	34.7	6.5	Bearings, units and housings
S71910 ACB/HCP4A	50	72	12	Bearings, units and housings
SY 1.1/16 TF	26.988	-	-	Bearings, units and housings
W 61805-2RS1	25	37	7	Bearings, units and housings

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