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：2025-12-09
Application:Film machine,medical equipment,Hydraulic Rama,Power equipment,Solenoid Valves,Cutting Machine,Pump,crimping tools,Anti-defibrillation pacing,hydraulic control element,machine tool spindle
Similar models:BT4B 328045/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
17653	44.45	73.03	7.95	Seals
6320-2Z	100	215	47	Bearings, units and housings
590 VRME R	575	-	-	Seals
8691	22.225	36.5	6.35	Seals
C 39/1180 MB	1180	1540	272	Bearings, units and housings
C 39/710 KM	710	950	180	Bearings, units and housings
FBSA 208/DB	40	-	165	Bearings, units and housings
NX 12 Z	12	21	18	Bearings, units and housings
NX 17 Z	17	26	28	Bearings, units and housings
P 35 TF	35	-	-	Bearings, units and housings
SAF 23052 KAT x 9.1/2	241.3	-	-	Bearings, units and housings
W 61913-2Z	65	90	13	Bearings, units and housings

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