Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 618/3

W 618/3

Dimensions

d		3	mm
D		7	mm
B		2	mm
d₁	≈	4.28	mm
D₁	≈	5.75	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	3.8	mm
d_a	max.	4.2	mm
D_a	max.	6.2	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.178	kN
Basic static load rating	C₀	0.057	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		160000	r/min
Limiting speed		100000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.1

Mass

Mass bearing

0.0003

Model Number: W 618/3
Inner Diameter：3mm Outer Diameter：7mm Width：2mm
Reference speed:100000 r/min Limiting speed:160000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-06-26
Application:instrumentation instrument,climb ladder,Industrial,Broadcasting System,Performance test,extruder,thin metal materials,security equipment,medical equipment,Flame Cutting,product accessories
Similar models:W 61802-2RZ SAF 22618 x 3.1/8 61812-2RZ 61836 W 61810-2Z W 61802 R-2Z W 618/4 W 61806-2Z W 61813-2RS1 W 61806 R
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Model No. Inner Diameter Outer Diameter Width Type

570 VE R
GEZ 400 ES
NNU 4976 B/SPW33
PWM 160180120
SYK 25 LD

Purchase the SKF W 618/3 Please fill in the following

Hot number： 2201 ETN9 401804 52409 7010 CE/P4A 709 CD/HCP4AH 71902 ACE/P4A FY 1.15/16 TF FYTB 30 TDW KMFE 15 H OH 30/600 H PRM 606540 PSM 060904 A51 RLS 7-2Z SAFS 22530 W 63803 R-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
570 VE R
GEZ 400 ES
NNU 4976 B/SPW33
PWM 160180120
SYK 25 LD