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：2025-12-09
Application:Industry,rolling machine,equipment,fruit and vegetable processing,industry test,Doppler,forming machine,standing experimental equipment,electrostatic protection,supporting facilities,Machine Tool Accessories
Similar models:BT4B 331243 A/HA1
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HK 5024.2RS	50	58	24	Bearings, units and housings
N 1009 KTN/HC5SP	45	75	16	Bearings, units and housings
NJ 2312 ECN1ML	60	130	46	Bearings, units and housings
RLS 9-2Z	28.575	63.5	15.875	Bearings, units and housings
SAF 22315 TLC	75	-	-	Bearings, units and housings
SAFS 23044 KATLC x 8	203.2	-	-	Bearings, units and housings
SD 35x42x4	35	42	4	Seals
W 61909 R	45	68	12	Bearings, units and housings

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Hot number： 293/710 EM 33211 7206 BEP D/W ER1634-2ZS D/W R1 FYTBK 25 LF IR 260x285x60 NJ 2206 ECJ NN 3021 TN9/SP PCM 161810 E PSM 202520 A51 SAF 22632 x 5.1/2 SAFS 22515 x 2.3/8 T SAFS 23028 KAT x 4.7/8 SAL 17 C