Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331372/HA4

BT4B 331372/HA4

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		1003.3	mm
D		1358.9	mm
B		800.1	mm
T		800.1	mm
d₁	≈	1080	mm
D₁	≈	1240	mm
r_1,2	min.	4.8	mm
r_3,4	min.	12.7	mm

Calculation data

Basic dynamic load rating	C	27500	kN
Basic static load rating	C₀	81500	kN
Fatigue load limit	P_u	4750	kN
Comparative radial load rating	C_F	7350	kN
Comparative axial load rating	C_Fa	1140	kN
Thrust factor	K	1.83
Calculation factor	e	0.31
Calculation factor	Y₁	2.2
Calculation factor	Y₂	3.3
Calculation factor	Y₀	2.2

Mass

Mass bearing

3450

Model Number: BT4B 331372/HA4
Inner Diameter：1003.3mm Outer Diameter：1358.9mm 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:medical equipment,clean stationery,gear type,office outdoor camping equipment,plastic rolling,electric hydraulic lifting platform,chamfering machine etc,standing experimental equipment,stirrer,test strip,medical equipment
Similar models:BT4B 331372/HA4
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1450242	368.3	406.4	17.48	Seals
16 VS V	14	-	-	Seals
16004/HR22T2	20	42	8	Bearings, units and housings
311	55	120	29	Bearings, units and housings
30238/DF	190	340	-	Bearings, units and housings
61912-2RS1	60	85	13	Bearings, units and housings
7016 CB/P4A	80	125	22	Bearings, units and housings
807149	736.6	812.8	-	Seals
89448 M	240	440	122	Bearings, units and housings
NJ 407	35	100	25	Bearings, units and housings
W 61905 R	25	42	9	Bearings, units and housings
W 628/9-2RS1	9	17	5	Bearings, units and housings

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