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

BT4-8153 E/C775

SKF Explorer

Design

Design variant/feature

TQON/GW

Dimensions

d		560	mm
D		700	mm
B		405	mm
T		405	mm
d₁	≈	586	mm
D₁	≈	653	mm
r_1,2	min.	1.5	mm
r_3,4	min.	5	mm

Calculation data

Basic dynamic load rating	C	8000	kN
Basic static load rating	C₀	21200	kN
Fatigue load limit	P_u	1460	kN
Comparative radial load rating	C_F	1700	kN
Comparative axial load rating	C_Fa	278	kN
Thrust factor	K	1.76
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

360

Model Number: TQO design
Inner Diameter：560mm Outer Diameter：700mm 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：2026-07-09
Application:Tool,engineering machine,medical treatment,coal,hydraulic connector,Industry,plant determination,CNC,roller lathe,Medium and large motor,wheel lathe
Similar models:WS 89432 NUP 224 ECML NKS 37 WBB1-8710 C 4908 V SAF 22609 x 1.1/2 3306 A NUP 313 ECML NU 322 ECP NU 306 ECM
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Model No. Inner Diameter Outer Diameter Width Type

408803
590x630x20 HDS1 R
BC2B 322191
BTM 130 ATN9/HCP4CDB
K 14x18x10

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Model No.	Inner Diameter	Outer Diameter	Width	Type
408803
590x630x20 HDS1 R
BC2B 322191
BTM 130 ATN9/HCP4CDB
K 14x18x10