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：2026-04-19
Application:medical equipment,Grinding and polishing equipment,hydraulic control element,Pneumatic Control Elements,chuck industry,education model Instruments,quality inspection equipment,electric hydraulic lifting platform,transportation equipment,Hydraulic Hose,Medium and large motor
Similar models:626/HR22T2 HE 318 E SAF 22615 x 2.3/8 TLC 22222 EK 30309/DF SY 40 TDW 308-2Z 23152 CCK/W33 SAF 22530 x 5.1/8 T NJ 2316 ECM
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SAF 22507 x 1.1/8	28.575	-	-	Bearings, units and housings
SSAFS 22224 TLC	120	-	-	Bearings, units and housings

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