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

BT4-8169 E81/C450

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		431.8	mm
D		571.5	mm
B		279.4	mm
T		279.4	mm
d₁	≈	460	mm
D₁	≈	517	mm
r_1,2	min.	1.5	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	4650	kN
Basic static load rating	C₀	10000	kN
Fatigue load limit	P_u	800	kN
Comparative radial load rating	C_F	980	kN
Comparative axial load rating	C_Fa	266	kN
Thrust factor	K	1.07
Calculation factor	e	0.54
Calculation factor	Y₁	1.25
Calculation factor	Y₂	1.8
Calculation factor	Y₀	1.3

Mass

Mass bearing

191

Model Number: TQO design
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：2025-11-29
Application:van,Cleaning equipment,tobacco machinery,Industrial,Dental Equipment,sanitation facilities,sleep monitoring,Industrial,Doppler,Spectrum Products,switch
Similar models:31328 X/DF SAFS 22536 x 6.5/16 2301 3303 A-2RS1 NJ 226 ECML KMTA 19 PSMF 152015 A51 3318 A 32222/DF NJ 312 ECPH
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Model No.	Inner Diameter	Outer Diameter	Width	Type
15235	38.1	73.03	7.95	Seals
1325252	336.55	374.65	19.05	Seals
13529	34.925	44.45	5	Seals
13741	35	56	8	Seals
2315 KM	75	160	55	Bearings, units and housings
32395	82.55	107.92	9.53	Seals
BSA 206 C	30	62	16	Bearings, units and housings
K 12x17x13 TN	12	17	13	Bearings, units and housings
NNC 4836 CV	180	225	45	Bearings, units and housings
PCM 222530 E	22	25	30	Bearings, units and housings
PCMW 142601.5 M	14	26	-	Bearings, units and housings
PFD 17 TF	17	-	-	Bearings, units and housings

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