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

BT4B 328817 E1/C475

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		343.052	mm
D		457.098	mm
B		254	mm
T		254	mm
d₁	≈	362	mm
D₁	≈	420	mm
r_1,2	min.	1	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	3350	kN
Basic static load rating	C₀	6400	kN
Fatigue load limit	P_u	540	kN
Comparative radial load rating	C_F	710	kN
Comparative axial load rating	C_Fa	166	kN
Thrust factor	K	1.23
Calculation factor	e	0.48
Calculation factor	Y₁	1.4
Calculation factor	Y₂	2.1
Calculation factor	Y₀	1.4

Mass

Mass bearing

110

Model Number: TQO design
Inner Diameter：343.052mm Outer Diameter：457.098mm 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：2026-04-17
Application:hydraulic control element,pneumatic,Film machine,Perfusion device,Other Machine Tools,expectoration machine,Dental Equipment,Doppler,security equipment,extruder,lifting equipment Hoisting hoist
Similar models:YET 207-105 32009 X/DF GEZM 304 ES 21317 EK D/W R6-2Z BD-C 31/600 KMB-AOHX 31/600 6317-2Z 231/750 CA/W33 71905 CE/HCP4A 7313 BECBF
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400351	31	-	-	Seals
6213-2Z/VA228	65	120	23	Bearings, units and housings
7412 BCBM	60	150	35	Bearings, units and housings
87054	-	-	53.975	Seals
90139	-	-	25.4	Seals
FYRP 2 3/4	69.85	-	-	Bearings, units and housings
K 5x8x10 TN	5	8	10	Bearings, units and housings
N 28/850 MB	850	1030	106	Bearings, units and housings
NCF 2914 CV	70	100	19	Bearings, units and housings
NU 2222 ECNML	110	200	53	Bearings, units and housings
SAW 23524 x 4.1/8	104.775	-	-	Bearings, units and housings
TUWK 1.1/4 ALTHR	31.75	-	-	Bearings, units and housings

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