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：2025-11-28
Application:Medical room equipment,stirrer,enzyme,screen filter,instrument,Spectrum Products,industrial fans,Reflective Materials Industrial fabrics,comprehensive experiment,disposable,electric pump
Similar models:PFD 1.1/2 FM BB1-8001 3311 DNRCBM FYE 1 15/16 N N 1020 KTN9/SP PWM 202420 TQO design SIL 80 ESX-2LS SYF 45 FM 6217-RS1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
108x170x15 HMS5 RG	108	170	15	Seals
220	100	180	34	Bearings, units and housings
29465	74.6252	114.33	11.13	Seals
406803	660	-	-	Seals
48046	122.1994	140.7922	11.9888	Seals
7011 ACE/P4AL	55	90	18	Bearings, units and housings
6393	15.875	38.1	7.95	Seals
7014 ACD/P4A	70	110	20	Bearings, units and housings
FY 1.1/4 TF/VA228	31.75	-	46.4	Bearings, units and housings
GEC 950 FBAS	950	1250	400	Bearings, units and housings
SAF 1222 TLC	110	-	-	Bearings, units and housings
TU 1.1/4 TF	31.75	-	-	Bearings, units and housings

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Hot number： 1305 EKTN9 19783 331714 B 404503 63000-2RS1 7002 CE/P4A 709 ACD/HCP4AH 71913 CD/P4AL D/W RW144 R FYE 4 N HK 1814 RS IR 60x68x25 K 125x133x35 KR 62 XB P 80 R-1.1/4 TF