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

BT4-8161 E81/C500

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		406.4	mm
D		546.1	mm
B		288.925	mm
T		288.925	mm
d₁	≈	434	mm
D₁	≈	496	mm
r_1,2	min.	1.5	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	5100	kN
Basic static load rating	C₀	10200	kN
Fatigue load limit	P_u	815	kN
Comparative radial load rating	C_F	1060	kN
Comparative axial load rating	C_Fa	250	kN
Thrust factor	K	1.22
Calculation factor	e	0.48
Calculation factor	Y₁	1.4
Calculation factor	Y₂	2.1
Calculation factor	Y₀	1.4

Mass

Mass bearing

186

Model Number: TQO design
Inner Diameter：406.4mm Outer Diameter：546.1mm 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:Tool,training beds etc,embroidery cloth,orthodontic material,bag machine,food safety,Industrial,Hydraulic Hose,electric pump,baler,tapping machine
Similar models:D/W R6-2Z 53207 + U 207 SAF 22532 x 5.3/8 T 23952 CC/W33 6307-2ZNR PSM 121825 A51 NJ 212 ECM SAF 1216 TLC FYAWK 30 LTHR SYR 3 15/16 N
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1000 VL R	910	-	-	Seals
170x200x15 HMS5 RG	170	200	15	Seals
240/1060 CAF/W33	1060	1500	438	Bearings, units and housings
28646	73.025	87.224	7.468	Seals
30060	76.2	110	11.13	Seals
607/HR22T2	7	19	6	Bearings, units and housings
65x97x7 HMSA10 V	65	97	7	Seals
7038 ACD/P4A	190	290	46	Bearings, units and housings
71919 CE/HCP4A	95	130	18	Bearings, units and housings
AHX 3030	145	150	72	Bearings, units and housings
FYTB 1.1/2 WDW	38.1	-	-	Bearings, units and housings
FYTB 1.15/16 WDW	49.213	-	-	Bearings, units and housings

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