Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328828 G/HA1

BT4B 328828 G/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		304.648	mm
D		438.048	mm
B		280.99	mm
T		279.4	mm
d₁	≈	337	mm
D₁	≈	385	mm
r_1,2	min.	2	mm
a		15	°
r_3,4	min.	4.8	mm

Calculation data

Basic dynamic load rating	C	3080	kN
Basic static load rating	C₀	6950	kN
Fatigue load limit	P_u	585	kN
Comparative radial load rating	C_F	815	kN
Comparative axial load rating	C_Fa	190	kN
Thrust factor	K	1.24
Calculation factor	e	0.48
Calculation factor	Y₁	1.4
Calculation factor	Y₂	2.1
Calculation factor	Y₀	1.4

Mass

Mass bearing

135

Model Number: BT4B 328828 G/HA1
Inner Diameter：304.648mm Outer Diameter：438.048mm 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：2026-08-19
Application:altimeter etc,Film machine,tooth filling,mechanical annex,Special Equipment,beverage production,rolling machine,Chromatography Products,Performance test,Broadcasting System,electromyography machine
Similar models:BT4B 328828 G/HA1
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Model No. Inner Diameter Outer Diameter Width Type

BEAM 017062-2RZ/PE
H 2332
K 89426 M
NCF 28/600 V/HB1
NJ 2220 ECM

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Hot number： 1320 K 32932 405006 6205-2Z 6305-2ZNR 7036 CD/P4AH1 80x105x10 HMS5 V BT2B 328361/HA1 GS 81216 NNCL 4852 CV NNU 4172 K30M NUP 305 ECJ PFT 30 FM PSM 606870 A51 SAF 22620 x 3.5/16 T

Model No.	Inner Diameter	Outer Diameter	Width	Type
BEAM 017062-2RZ/PE
H 2332
K 89426 M
NCF 28/600 V/HB1
NJ 2220 ECM