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：2025-12-09
Application:car,training beds etc,agriculture,screen filter,Industrial,Broadcasting System,printing equipment,coal mill,office equipment,pump industry,walking Food processing machinery and equipment
Similar models:BT4B 328828 G/HA1
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OKC 075	75		-
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SNW 144x7.15/16	201.6125	220	184.8358	Bearings, units and housings

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