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：2021-06-03
Application:Leather Products,Optical detection,economic mold,hook,gear type,pump industry,sheet industry,Security Equipment,teaching equipment,Switch,coal
Similar models:330870 BG
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Model No.	Inner Diameter	Outer Diameter	Width	Type
14500	37	62	10	Seals
34336	87.3252	117.5	11.13	Seals
405004	450	-	-	Seals
49951	127	155.58	12.7	Seals
7014 ACE/HCP4AH1	70	110	20	Bearings, units and housings
7040 CD/HCP4A	200	310	51	Bearings, units and housings
7411 BGBM	55	140	33	Bearings, units and housings
95x140x12 HMS5 V	95	140	12	Seals
FYNT 75 F	75	-	-	Bearings, units and housings
NU 236 ECM	180	320	52	Bearings, units and housings
SNL 3152 TURT	240	-	-	Bearings, units and housings
Z 306	30	-	6	Seals

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