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：2026-04-22
Application:Dental Drill etc,light therapy instrument,printing machinery,supporting facilities,agrochemical,Forging machine,gear grinding machine,lifting equipment Hoisting hoist,medical treatment,chemical instruments,molding machine
Similar models:C 4060 M YAR 208-108-2RFGR/HV BA 5 24092 ECAK30/W33 SY 20 WDW SAFS 23026 KATLC x 4.7/16 3782/3720 FYTJ 30 TF PFD 1. TF W 637/8 R-2Z
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