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

BT4-8174 E8/C675

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		330.2	mm
D		444.5	mm
B		301.625	mm
T		301.625	mm
d₁	≈	481	mm
D₁	≈	518	mm
r_1,2	min.	3.3	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	4250	kN
Basic static load rating	C₀	8800	kN
Fatigue load limit	P_u	735	kN
Comparative radial load rating	C_F	1040	kN
Comparative axial load rating	C_Fa	170	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

130

Model Number: TQO design
Inner Diameter：330.2mm Outer Diameter：444.5mm 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:Animal Tracking,Low-voltage electrical equipment,universal category,natural instruments,Small air generators,directional control valve,lifting upgrade,Laser Measurements,hydraulic actuator,sheet industry,other processing
Similar models:GE 10 E SAL 15 ES TQO design NU 2272 MA SAF 1522 x 3.13/16 T K 81212 TN SNP 3192x17 FYTBK 30 LF 6219/VA201 7305 BECBM
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Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-22260 CCK/W33-OH 3160 H	280	540	140	Bearings, units and housings
22210 EK	50	90	23	Bearings, units and housings
6220-RS1	100	180	34	Bearings, units and housings
706 ACE/HCP4A	6	17	6	Bearings, units and housings
7319 BEGAY	95	200	45	Bearings, units and housings
G 12x19x3	12	19	3	Seals
LM 11749/710	17.462	39.878	13.843	Bearings, units and housings
NJ 2009 ECP	45	75	19	Bearings, units and housings
OKC 490	490		-
PRM 161820	16	18	20	Bearings, units and housings
SAF 1610 x 1.3/4	44.45	-	-	Bearings, units and housings
WBB1-8708 R-2RS1	8	14	4	Bearings, units and housings

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