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 E81/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：2025-12-09
Application:switch,climb ladder,sterilizers,other mold,Die,generator,pump industry,relay,Antenna Potentials,Gripper Swing,office equipment
Similar models:HJ 2214 EC SAF 22530 x 5.3/8 TLC 22240-2CS5K/VT143 16005/HR11QN NJ 309 ECPH SAF 1218 T 7264 BCBM 51328 M 7205 BECBP SYNT 60 L
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Model No.	Inner Diameter	Outer Diameter	Width	Type
110 VA R	99	-	-	Seals
38x55x8 CRW1 V	38	55	8	Seals
51203 V/HR11T1	17	35	12	Bearings, units and housings
84965	-	-	36.53	Seals
898/892	139.7	228.6	57.15	Bearings, units and housings
BTM 85 BTN9/P4CDB	85	130	40.5	Bearings, units and housings
C 30/850 MB	850	1220	272	Bearings, units and housings
G 9x16x3	9	16	3	Seals
NU 313 ECM	65	140	33	Bearings, units and housings
PPM 151720	15	17	20	Bearings, units and housings
SAFS 22544 x 7.7/8	200.025	-	-	Bearings, units and housings
SAFS 23056 KATLC x 9.15/16	252.4125	-	-	Bearings, units and housings

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