Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331346 A/HA1

BT4B 331346 A/HA1

Design

Design variant/feature

TQO/WIY

Dimensions

d		558.8	mm
D		736.6	mm
B		455.612	mm
T		457.2	mm
d₁	≈	604	mm
D₁	≈	669	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	8420	kN
Basic static load rating	C₀	26000	kN
Fatigue load limit	P_u	1800	kN
Comparative radial load rating	C_F	2240	kN
Comparative axial load rating	C_Fa	364	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

545

Model Number: BT4B 331346 A/HA1
Inner Diameter：558.8mm Outer Diameter：736.6mm 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:glass processing machine,suction nozzle,stacker lift platform,Broadcasting System,non-motor vehicle Electric car,metal mold,Spectrum Products,motorcycle,power tools,coupling type,Other Measurements
Similar models:BT4B 331346 A/HA1
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Model No. Inner Diameter Outer Diameter Width Type

11763
BD-23156 CCK/W33-OH 3156 H
89184 M
S7004 ACE/P4A
TU 1.3/16 TF

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Hot number： 1850 VL R 22382 25x45x7 HMS5 RG 32 VS V 6004-2RSH 61934 MA 81246 BT4B 334147/HA1 C 3180 KM LR 25x30x12.5 NU 1020 ML PRM 161825 SAW 23530 T W 6007 YEL 206-104-2F

Model No.	Inner Diameter	Outer Diameter	Width	Type
11763
BD-23156 CCK/W33-OH 3156 H
89184 M
S7004 ACE/P4A
TU 1.3/16 TF