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

BT4-0026 A/PEX

SKF Explorer

Design

Design variant/feature

TQO/WI

Dimensions

d		280	mm
D		406.4	mm
B		298.45	mm
T		298.45	mm
d₁	≈	310	mm
D₁	≈	368	mm
r_1,2	min.	5	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	4150	kN
Basic static load rating	C₀	9000	kN
Fatigue load limit	P_u	750	kN
Comparative radial load rating	C_F	1100	kN
Comparative axial load rating	C_Fa	182	kN
Thrust factor	K	1.73
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

135

Model Number: TQO design
Inner Diameter：280mm Outer Diameter：406.4mm 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:food / grain / food equipment,clean stationery,insect experimental analysis instrument,packaging machinery,other accessories,switch,tire industry,Doppler,Machine Tool Accessories,Machine tool accessories,machine lathe
Similar models:6219-2Z/VA228 BSA 205 C 7014 ACD/P4AH1 GS 89416 BT2B 332761 H 313 W 61814-2RS1 LS 5070 51115 SNW 144x7.13/16
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13543	34.925	47.6	4.78	Seals
16243	41.275	63.55	7.95	Seals
17x28x7 CRW1 V	17	28	7	Seals
216-2ZNR	80	140	26	Bearings, units and housings
22216 E	80	140	33	Bearings, units and housings
4208 ATN9	40	80	23	Bearings, units and housings
595485	228.6	258.75	15.875	Seals
6309-RSH	45	100	25	Bearings, units and housings
NJ 2312 ECP	60	130	46	Bearings, units and housings
NU 2324 ECM	120	260	86	Bearings, units and housings
SNW 3030x5.3/16	131.7625	181.102	88.4428	Bearings, units and housings
SYR 2 15/16-3	74.6125	-	-	Bearings, units and housings

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