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：2026-04-16
Application:car steering pin,food testing,paint paint,hook,reinforced machinery,extruder,packaging materials,shoe-making machinery,beverage production,stamping die and its equipment,stamping die
Similar models:331081 A
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16285	41.275	65.07	6.35	Seals
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1900 VL R	1720	-	-	Seals
24934	63.5	85.62	9.53	Seals
29871	76.2	95.28	11.13	Seals
405653	550	-	-	Seals
AOH 240/560 G	530	560	296	Bearings, units and housings
BT2B 332823/HA1	380	660	-	Bearings, units and housings
BD-C 3056 K-OH 3056 H	260	420	106	Bearings, units and housings
FSAF 1315 TLC	75	-	-	Bearings, units and housings
MVR1-17	17	32	-	Seals
PCZ 1212 E	19.05	22.225	19.05	Bearings, units and housings

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