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：2025-12-09
Application:storage and transportation equipment,Laser Devices,sewage pump,glass processing machine,vertical processing,packaging machinery,Gas turbine,animal anatomy,preservation equipment,defogging and degreasing,DC generators
Similar models:7303 BE-2RZP HJ 310 EC SY 1.1/4 TR 7028 ACD/HCP4A 6024 N 24120 CC/W33 SAW 23538 x 7 T BT4B 328732/HA1 K 25x31x21 BD-C 3984 KM-OH 3984 HE
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Model No.	Inner Diameter	Outer Diameter	Width	Type
12621	31.75	61.9	6.35	Seals
1650252	419.1	457.2	19.05	Seals
51104 V/HR11Q1	20	35	10	Bearings, units and housings
520x560x20 HDS1 V	520	560	20	Seals
71926 CD/HCP4AH1	130	180	24	Bearings, units and housings
AOH 24056 G	260	280	162	Bearings, units and housings
HK 1622	16	22	22	Bearings, units and housings
IR 80x90x35	80	90	35	Bearings, units and housings
NU 203 ECP	17	40	12	Bearings, units and housings
PCM 13514080 E	135	140	80	Bearings, units and housings
QJ 304 N2PHAS	20	52	15	Bearings, units and housings
W 60/2.5 R	2.5	8	2.8	Bearings, units and housings

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Hot number： 15123/15243 18865 24084 ECA/W33 24949 26625 313555 B 370x410x16 HDS1 R 7010 CD/P4AL 71918 CE/P4AL BD-C 3224 K-H 2324 L FSNL 317 TURU LR 30x35x12.5 NJ 2212 ECM SAF 1522 x 3.11/16 T SAW 23536 x 6.5/16