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

BT4B 328817 EX1/C475

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		343.052	mm
D		457.098	mm
B		254	mm
T		254	mm
d₁	≈	362	mm
D₁	≈	420	mm
r_1,2	min.	1	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	3100	kN
Basic static load rating	C₀	6400	kN
Fatigue load limit	P_u	540	kN
Comparative radial load rating	C_F	710	kN
Comparative axial load rating	C_Fa	166	kN
Thrust factor	K	1.23
Calculation factor	e	0.48
Calculation factor	Y₁	1.4
Calculation factor	Y₂	2.1
Calculation factor	Y₀	1.4

Mass

Mass bearing

110

Model Number: TQO design
Inner Diameter：343.052mm Outer Diameter：457.098mm 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：2026-04-18
Application:Dental Equipment,natural instruments,rolling machine,metallurgical mold,Switch,electromagnetic clutch,Pneumatic Actuator,Handling machinery and various industrial machinery,insect experimental analysis instrument,vertical processing,ignition system
Similar models:7014 ACD/HCP4AH1 NNU 4172 M SYNT 35 LTF 71936 CD/P4A NN 3048 K/SPW33 23044 CC/W33 3204 ATN9 331554 A W 61900 R SSAFS 22516 x 2.5/8
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1312 EKTN9	60	130	31	Bearings, units and housings
35x50x8 HMS5 RG	35	50	8	Seals
401202	108	-	-	Seals
500x550x18 HDS2 D	500	550	18	Seals
51264 M	320	440	95	Bearings, units and housings
71913 CD/HCP4A	65	90	13	Bearings, units and housings
99131	33.3502	40.4876	15.875	Seals
99492	125	137.16	32.004	Seals
IR 40x50x22	40	50	22	Bearings, units and housings
NK 100/26	100	120	26	Bearings, units and housings
OKCX 220	220		-
S7006 ACD/HCP4A	30	55	13	Bearings, units and housings

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Hot number： 15141 16 VS V 23228-2CS5/VT143 400450 404103 45x68x8 CRWA1 R 608-2Z 7212 ACD/HCP4A FY 40 TF GB 1017 OKCX 660 RNAO 22x35x16 SAFS 22544 x 7.13/16 TLC SNW 122x4 W 638/4 X-2RS1