Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328773 G/HA1

BT4B 328773 G/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		482.6	mm
D		630	mm
B		420	mm
T		420	mm
d₁	≈	506	mm
D₁	≈	570	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	6600	kN
Basic static load rating	C₀	19300	kN
Fatigue load limit	P_u	1400	kN
Comparative radial load rating	C_F	1760	kN
Comparative axial load rating	C_Fa	284	kN
Thrust factor	K	1.76
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

345

Model Number: BT4B 328773 G/HA1
Inner Diameter：482.6mm Outer Diameter：630mm 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:Small air generators,hydraulic connector,engine,wall materials,Wire grinder,Digital Generator,noise inspection,plastic rolling,orthodontic material,Spectrum Products,disposable
Similar models:BT4B 328773 G/HA1
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