Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF BT4B 328045/HA1

BT4B 328045/HA1

Design

Design variant/feature

TQIT

Dimensions

d		604.838	mm
D		787.4	mm
B		420.688	mm
T		369.888	mm
d₁	≈	680	mm
D₁	≈	759	mm
r_1,2	min.	6.4	mm
r_3,4	min.	1.5	mm

Tapered bore, taper 1:12

Calculation data

Basic dynamic load rating	C	8420	kN
Basic static load rating	C₀	23200	kN
Fatigue load limit	P_u	1660	kN
Comparative radial load rating	C_F	2240	kN
Comparative axial load rating	C_Fa	364	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

580

Model Number: BT4B 328045/HA1
Inner Diameter：604.838mm Outer Diameter：787.4mm 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, TQI design
Update date：2026-04-16
Application:medical equipment,Storage Device,multi-knife lathe,Other machinery,hook,Spectral Products,forklift truck,car shock absorber,noise inspection,instrument,bag machine
Similar models:BT4B 328045/HA1
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8x18x7 HMSA10 V	8	18	7	Seals
FYR 4-3	101.6	-	-	Bearings, units and housings
GEH 45 ES-2LS	45	75	28	Bearings, units and housings
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SAF 22524 x 4.1/16 T	103.1875	-	-	Bearings, units and housings
SAF 23034 KATLC x 5.15/16	149.225	-	-	Bearings, units and housings
SAFS 22516-11 x 2.5/8	66.675	-	-	Bearings, units and housings
SAW 23526 T	112.7125	-	-	Bearings, units and housings

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