Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF BT4B 332664/HA1

BT4B 332664/HA1

Design

Design variant/feature

TQIT

Dimensions

d		390.525	mm
D		546.1	mm
B		428.625	mm
T		384.175	mm
d₁	≈	455	mm
D₁	≈	520	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	6440	kN
Basic static load rating	C₀	16600	kN
Fatigue load limit	P_u	1290	kN
Comparative radial load rating	C_F	1730	kN
Comparative axial load rating	C_Fa	278	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

340

Model Number: BT4B 332664/HA1
Inner Diameter：390.525mm Outer Diameter：546.1mm 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：2026-08-19
Application:vacuum filter,municipal machinery,Grinding and polishing equipment,pressure control valve,scientific instruments,air purification,storage shelves,Technical Equipment,DC generators,Other Machine Tools,sheet industry
Similar models:BT4B 332664/HA1
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Model No. Inner Diameter Outer Diameter Width Type

400305
6003-2Z
D/W R3-2Z
PNA 17/35
TU 15/16 TF

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Hot number： 12363 29866 7018 CD/P4AL BT1B 328284/HA1 GE 17 C GEP 440 FS GEZ 104 ESL-2LS NA 4860 NJ 2314 ECP NU 2216 ECML S71910 ACD/HCP4A SAFS 22640 x 7.1/4 SAFS 23028 KATLC x 4.15/16 YAR 213-211-2F ZW 20x28

Model No.	Inner Diameter	Outer Diameter	Width	Type
400305
6003-2Z
D/W R3-2Z
PNA 17/35
TU 15/16 TF