Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Double row tapered roller bearings -- Double row tapered roller bearings, TDO design SKF 331981

331981

Design

Design variant/feature

TDO/D

Dimensions

d		346.075	mm
D		488.95	mm
T		200.025	mm
C		158.75	mm
d₁	≈	413	mm
D₁	≈	467	mm
r_1,2	min.	6.4	mm
r_3,4	min.	1.5	mm
a		186	mm

Calculation data

Basic dynamic load rating	C	2835	kN
Basic static load rating	C₀	6300	kN
Fatigue load limit	P_u	510	kN
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2
Comparative radial load rating	C_F	695	kN
Comparative axial load rating	C_Fa	230	kN
Thrust factor	K	1.74

Mass

Mass bearing

110

Model Number: 331981
Inner Diameter：346.075mm Outer Diameter：488.95mm 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：2026-04-16
Application:coal,light therapy instrument,spreader series,plastic rolling,Film machine,natural instruments,diving equipment,Rolling mill gear box,tapping machine,heating fans,surgical instruments
Similar models:331981
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