Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331487 G/HA1

BT4B 331487 G/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		260.35	mm
D		422.275	mm
B		314.325	mm
T		317.5	mm
d₁	≈	298	mm
D₁	≈	370	mm
r_1,2	min.	6.4	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	4130	kN
Basic static load rating	C₀	8000	kN
Fatigue load limit	P_u	710	kN
Comparative radial load rating	C_F	1100	kN
Comparative axial load rating	C_Fa	179	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

180

Model Number: BT4B 331487 G/HA1
Inner Diameter：260.35mm Outer Diameter：422.275mm 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：2026-04-16
Application:spectrometer,blood cell reagent,Special Equipment,drawing die,Hydraulic Press,Rolling mill gear box,forklift industry,sheet industry,tower crane,sewage pump,Switch
Similar models:BT4B 331487 G/HA1
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