Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331334/HA4

BT4B 331334/HA4

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		1139.825	mm
D		1509.712	mm
B		923.925	mm
T		923.925	mm
d₁	≈	1220	mm
D₁	≈	1375	mm
r_1,2	min.	4.8	mm
r_3,4	min.	12.7	mm

Calculation data

Basic dynamic load rating	C	33600	kN
Basic static load rating	C₀	108000	kN
Fatigue load limit	P_u	5850	kN
Comparative radial load rating	C_F	9000	kN
Comparative axial load rating	C_Fa	1480	kN
Thrust factor	K	1.76
Calculation factor	e	0.31
Calculation factor	Y₁	2.2
Calculation factor	Y₂	3.3
Calculation factor	Y₀	2.2

Mass

Mass bearing

4840

Model Number: BT4B 331334/HA4
Inner Diameter：1139.825mm Outer Diameter：1509.712mm 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：2026-06-24
Application:sheet industry,extruder,trolley,pump accessories,engineering machine,shoe-making machinery,directional control valve,Handling machinery and various industrial machinery,chamfer,Traffic Fire Protection Equipment Security equipment,industrial fans
Similar models:BT4B 331334/HA4
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Model No. Inner Diameter Outer Diameter Width Type

32210
390x430x16 HDS2 R
OKBS 134
SAF 23038 KATLC x 6.13/16
SSAFS 23028 KAT x 4.7/8

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Hot number： 471701 6301-2RSH 6303/HR22T2 7015 ACB/P4AL 7052 ACD/P4A BT2B 332754 BT2B 334024/HA3 BT4B 334147/HA1 NJ 1017 ML NJ 2312 ECN1ML OH 31/630 H SAFS 23056 KAT x 10.7/16 SAF 22634 TLC SNL 3184 ATURA W 13

Model No.	Inner Diameter	Outer Diameter	Width	Type
32210
390x430x16 HDS2 R
OKBS 134
SAF 23038 KATLC x 6.13/16
SSAFS 23028 KAT x 4.7/8