Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331243 A/HA1

BT4B 331243 A/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		520.7	mm
D		736.6	mm
B		400.05	mm
T		400.05	mm
d₁	≈	567	mm
D₁	≈	653	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	7480	kN
Basic static load rating	C₀	19600	kN
Fatigue load limit	P_u	1460	kN
Comparative radial load rating	C_F	2000	kN
Comparative axial load rating	C_Fa	324	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

460

Model Number: BT4B 331243 A/HA1
Inner Diameter：520.7mm 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：2026-04-16
Application:Optical detection,economic mold,horizontal processing,test laboratory equipment and accessories,Performance test,tray industry,Food testing,textile machinery,extruder,hydraulic cylinder buffer,inorganic chemical
Similar models:BT4B 331243 A/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
2302 E-2RS1TN9	15	42	17	Bearings, units and housings
618/5	5	11	3	Bearings, units and housings
618/950 MA	950	1150	90	Bearings, units and housings
AOH 240/850 G	800	850	415	Bearings, units and housings
TQO design	560	700	-	Bearings, units and housings
BT4B 334116 G/HA1VA901	479.425	679.45	-	Bearings, units and housings
FYTB 30 TR	30	-	-	Bearings, units and housings
N 1013 KPHA/SP	65	100	18	Bearings, units and housings
NK 45/20 TN	45	55	20	Bearings, units and housings
NU 326 ECJ	130	280	58	Bearings, units and housings
SALKAC 30 M	30	-	37	Bearings, units and housings
SNW 20x3.3/8	85.725	131.9022	72.6186	Bearings, units and housings

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