Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Double row tapered roller bearings -- Double row tapered roller bearings, TDO design SKF 331291 B

331291 B

Design

Design variant/feature

TDO.1/D

Dimensions

d		812.8	mm
D		1016	mm
T		190.5	mm
C		146.05	mm
d₁	≈	903	mm
D₁	≈	976	mm
r_1,2	min.	6.4	mm
r_3,4	min.	1.5	mm
a		345	mm

Calculation data

Basic dynamic load rating	C	3580	kN
Basic static load rating	C₀	10200	kN
Fatigue load limit	P_u	680	kN
Calculation factor	e	0.43
Calculation factor	Y₁	1.6
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.6
Comparative radial load rating	C_F	880	kN
Comparative axial load rating	C_Fa	365	kN
Thrust factor	K	1.37

Mass

Mass bearing

350

Model Number: 331291 B
Inner Diameter：812.8mm Outer Diameter：1016mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Roller bearings Tapered roller bearings Double row tapered roller bearings
Details： Double row tapered roller bearings Double row tapered roller bearings, TDO design
Update date：2026-04-18
Application:insect experimental analysis instrument,generator,EEG,Spectrum Products,Rolling mill gear box,engineering machine,Broadcasting System,medical equipment,Animal Tracking,Textile Industry Accessories and Accessories,wall industry
Similar models:331291 B
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