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

BT4-8124 E/C550

SKF Explorer

Design

Design variant/feature

TQON/GW

Dimensions

d		440	mm
D		580	mm
B		360	mm
T		360	mm
d₁	≈	464	mm
D₁	≈	525	mm
r_1,2	min.	2.5	mm
r_3,4	min.	7.5	mm

Calculation data

Basic dynamic load rating	C	6200	kN
Basic static load rating	C₀	14300	kN
Fatigue load limit	P_u	1080	kN
Comparative radial load rating	C_F	1320	kN
Comparative axial load rating	C_Fa	290	kN
Thrust factor	K	1.31
Calculation factor	e	0.44
Calculation factor	Y₁	1.5
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.4

Mass

Mass bearing

257

Model Number: TQO design
Inner Diameter：440mm Outer Diameter：580mm 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:die casting mold,Pneumatic Control Elements,industrial supplies,industrial skin care,electromagnetic clutch,Roller mill,engine,forklift truck,motor,machine tool spindle,wall industry
Similar models:SY 1.11/16 TF C 2210 KTN9 SAFS 22216-11 71808 CD/HCP4 S7012 ACB/P4A PWM 708090 GEZM 108 ESX-2LS 6313-ZNR GEZ 104 TXE-2LS 311 NR
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Model No.	Inner Diameter	Outer Diameter	Width	Type
155x180x15 HMS5 RG	155	180	15	Seals
BD-231/750 CAK/W33-OH 31/750 H	710	1220	365	Bearings, units and housings
7010 CE/P4AL	50	80	16	Bearings, units and housings
80x100x10 HMS5 RG	80	100	10	Seals
BTM 60 ATN9/P4CDB	60	95	33	Bearings, units and housings
NJ 2318 ECP	90	190	64	Bearings, units and housings
NUKRE 62 A	-	62	28	Bearings, units and housings
S7008 CD/P4A	40	68	15	Bearings, units and housings
SAF 1517 x 3 TLC	76.2	-	-	Bearings, units and housings
SAF 23038 KA x 6.13/16	173.0375	-	-	Bearings, units and housings
SYJ 60 KF	55	-	-	Bearings, units and housings
ZW 30x37	30	37	2	Seals

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Hot number： 1013242 1763320 19886 20079 BD-22348 CCK/W33-OH 2348 H 24180 ECAK30/W33 + AOH 24180 25x38x7 HMS5 V 32036 X/DF 465 VE R 7000 ACE/HCP4AH 778x818x20.5 HS5 D 86357 BT4B 328083/HA1 PWKR 90.2RS SSAFS 22224