Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF 330870 BG

330870 BG

Design

Design variant/feature

TQON/GW

Dimensions

d		317.5	mm
D		422.275	mm
B		269.875	mm
T		269.875	mm
d₁	≈	342	mm
D₁	≈	384	mm
r_1,2	min.	1.5	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	3360	kN
Basic static load rating	C₀	8150	kN
Fatigue load limit	P_u	680	kN
Comparative radial load rating	C_F	815	kN
Comparative axial load rating	C_Fa	129	kN
Thrust factor	K	1.83
Calculation factor	e	0.31
Calculation factor	Y₁	2.2
Calculation factor	Y₂	3.3
Calculation factor	Y₀	2.2

Mass

Mass bearing

105

Model Number: 330870 BG
Inner Diameter：317.5mm Outer Diameter：422.275mm 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：2025-12-09
Application:medical equipment,Other Machine Tools,equipment,Storage Device,heating fans,static control,Control,walking Food processing machinery and equipment,stamping die and its equipment,pneumatic Pump,education model Instruments
Similar models:330870 BG
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