Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328725 G/HA1

BT4B 328725 G/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		300	mm
D		440	mm
B		280.988	mm
T		279.4	mm
d₁	≈	334	mm
D₁	≈	380	mm
r_1,2	min.	3.3	mm
r_3,4	min.	4.8	mm

Calculation data

Basic dynamic load rating	C	3190	kN
Basic static load rating	C₀	7800	kN
Fatigue load limit	P_u	670	kN
Comparative radial load rating	C_F	850	kN
Comparative axial load rating	C_Fa	175	kN
Thrust factor	K	1.4
Calculation factor	e	0.43
Calculation factor	Y₁	1.6
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.6

Mass

Mass bearing

145

Model Number: BT4B 328725 G/HA1
Inner Diameter：300mm Outer Diameter：440mm 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：2024-12-12
Application:Broadcasting System,lifting upgrade,natural instruments,sleep monitoring,Vacuum generator,machining,powder metallurgy,Spectrum Products,Antenna Potentials,wall industry,Dental Drill etc
Similar models:BT4B 328725 G/HA1
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19643	50.0126	73.03	11.91	Seals
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2306 M	30	72	27	Bearings, units and housings
40x68x8 CRW1 R	40	68	8	Seals
530396	1017.6002	-	-	Seals
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80 VA R	72	-	-	Seals
NU 2944 ECMA	220	300	48	Bearings, units and housings
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SNW 7x1.1/4	31.75	52.5272	36.8046	Bearings, units and housings

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