Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331226/HA1

BT4B 331226/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		431.8	mm
D		571.5	mm
B		336.55	mm
T		336.55	mm
d₁	≈	464	mm
D₁	≈	511	mm
r_1,2	min.	1.5	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	4950	kN
Basic static load rating	C₀	14000	kN
Fatigue load limit	P_u	1060	kN
Comparative radial load rating	C_F	1290	kN
Comparative axial load rating	C_Fa	282	kN
Thrust factor	K	1.33
Calculation factor	e	0.44
Calculation factor	Y₁	1.5
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.4

Mass

Mass bearing

240

Model Number: BT4B 331226/HA1
Inner Diameter：431.8mm Outer Diameter：571.5mm 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：2026-04-17
Application:spring industry,die casting mold,lifting chain,car and accessories,plastic rolling,engineering machine,paint paint,meat products machine,Infrared Technology,medical equipment,small diesel generators
Similar models:BT4B 331226 BG/HA1 BT4B 331226 AG/HA1 BT4B 331226/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13900	34.925	68.99	7.95	Seals
38694	98.425	126.97	9.53	Seals
7305 BEGBY	25	62	17	Bearings, units and housings
FYTB 1.3/16 TDW	30.163	-	-	Bearings, units and housings
FYWK 1.1/2 YTA	38.1	-	-	Bearings, units and housings
IR 85x100x35	85	100	35	Bearings, units and housings
NUP 2211 ECP	55	100	25	Bearings, units and housings
S7004 CE/HCP4A	20	42	12	Bearings, units and housings
SAFS 22540 x 7.1/8 T	180.975	-	-	Bearings, units and housings
SNW 3044x7.15/16	201.6125	220	130.048	Bearings, units and housings
SY 1.1/4 WDW	31.75	-	-	Bearings, units and housings
TU 509 M	-	-	-	Bearings, units and housings

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