Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF 331275 B

331275 B

Design

Design variant/feature

TQO/WI

Dimensions

d		254	mm
D		358.775	mm
B		269.875	mm
T		269.875	mm
d₁	≈	275	mm
D₁	≈	326	mm
r_1,2	min.	1.5	mm
r_3,4	min.	1.5	mm

Calculation data

Basic dynamic load rating	C	2860	kN
Basic static load rating	C₀	7100	kN
Fatigue load limit	P_u	620	kN
Comparative radial load rating	C_F	765	kN
Comparative axial load rating	C_Fa	125	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

Model Number: 331275 B
Inner Diameter：254mm Outer Diameter：358.775mm 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：2026-07-28
Application:tire industry,medical equipment,defogging and degreasing,joint protection,raw material accessories,animal anatomy,medical equipment,marine analysis and testing equipment,manual Tools,Laser Measurements,Generator
Similar models:331275 B
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Model No. Inner Diameter Outer Diameter Width Type

220x250x15 HMSA10 RG
6320/C3VL0241
7312 BECCM
FSAF 22613 x 2.1/8 TLC
NNCF 4930 CV

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Model No.	Inner Diameter	Outer Diameter	Width	Type
220x250x15 HMSA10 RG
6320/C3VL0241
7312 BECCM
FSAF 22613 x 2.1/8 TLC
NNCF 4930 CV