Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 3490/3420

3490/3420

SKF Explorer

Dimension series

3400

Dimensions

d		38.1	mm
D		79.375	mm
T		29.37	mm
d₁	≈	57.3	mm
B		29.771	mm
C		23.812	mm
r_1,2	min.	3.5	mm
r_3,4	min.	3.3	mm
a		20.301	mm

Abutment dimensions

d_a	max.	46	mm
d_b	min.	50.5	mm
D_a	min.	65	mm
D_a	max.	68.5	mm
D_b	min.	73	mm
C_a	min.	4	mm
C_b	min.	5.5	mm
r_a	max.	3.5	mm
r_b	max.	3.3	mm

Calculation data

Basic dynamic load rating	C	112	kN
Basic static load rating	C₀	110	kN
Fatigue load limit	P_u	12.5	kN
Reference speed		7000	r/min
Limiting speed		8500	r/min
Calculation factor	e	0.37
Calculation factor	Y	1.6
Calculation factor	Y₀	0.9

Mass

Mass bearing

0.68

Model Number: 3490/3420
Inner Diameter：38.1mm Outer Diameter：79.375mm Width：29.37mm
Reference speed:8500 r/min Limiting speed:7000 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Single row tapered roller bearings
Details： Single row tapered roller bearings Tapered roller bearings, single row
Update date：2026-04-16
Application:climb ladder,extruder,laser devices,Film machine,Internal thread type,hardware,axle lathe,mathematical instruments,extruder,chamfering machine etc,medical equipment
Similar models:3490/3420
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Model No.	Inner Diameter	Outer Diameter	Width	Type
195x230x15 CRSH1 R	195	230	15	Seals
26356	66.675	101.68	11.13	Seals
40x68x8 HMS5 V	40	68	8	Seals
7020 ACE/HCP4AH1	100	150	24	Bearings, units and housings
90347	-	-	30	Seals
BS2-2309-2RS/VT143	45	100	42	Bearings, units and housings
GEC 530 TXA-2RS	530	710	205	Bearings, units and housings
NJ 2209 ECPH	45	85	23	Bearings, units and housings
NUP 307 ECM	35	80	21	Bearings, units and housings
RMS 16	50.8	114.3	26.988	Bearings, units and housings
SAF 22532 x 5.1/2 T	139.7	-	-	Bearings, units and housings
SIL 60 ESX-2LS	60	-	44	Bearings, units and housings

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