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：2026-08-24
Application:plastic rolling,spectrometer,construction machinery and equipment,generator,Machine Tool Accessories,bag machine,hydraulic actuator,decoration machinery,Machine tool accessories,Pneumatic Actuator,scientific instruments
Similar models:331291 B
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Model No. Inner Diameter Outer Diameter Width Type

BD-21317 EK-AHX 317
71806 ACD/HCP4
71968 ACDMA/P4A
BEAS 015045-2RS
STO 12 X

Purchase the SKF 331291 B Double row tapered roller bearings, TDO design Please fill in the following

Hot number： 1314 2304 E-2RS1TN9 51102 V/HR11T1 524208 6213 N 7005 CE/HCP4A 7204 ACD/HCP4A 85085 FSNL 319 TURU K 45x59x32 PCM 150155100 M SAKAC 5 M SNL 517 W 63802 R-2Z Z 200 F

Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-21317 EK-AHX 317
71806 ACD/HCP4
71968 ACDMA/P4A
BEAS 015045-2RS
STO 12 X