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：2026-04-16
Application:Industrial equipment,mathematical instruments,Cylinder Type,heating fans,other lathe,casting embedding,clean stationery,medical equipment,gantry processing,Vacuum generator,hydraulic connector
Similar models:BT4B 328773 G/HA1
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OKBS 116	116	-	-
PSM 708060 A51	70	80	60	Bearings, units and housings

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