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：2026-04-16
Application:Sensors,motor,clean stationery,Plastic Equipment,Storage Tool,generator,air conditioning tools,large agricultural machinery,transportation equipment,vertical pull,printing machinery
Similar models:W 61818-2Z SAF 22618 x 3.1/16 618/630 MA 61804 W 61801-2Z 61801 W 618/2.5 61821 W 61800-2RZ SAF 1618 x 3.1/4 T
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Model No.	Inner Diameter	Outer Diameter	Width	Type
14886	38.1	53.98	7.95	Seals
110x150x12 HMSA10 V	110	150	12	Seals
16440	41.275	82.58	12.7	Seals
470671	650	-	-	Seals
51205 V/HR22T2	25	47	15	Bearings, units and housings
61930 MA	150	210	28	Bearings, units and housings
FYK 40 LD	40	-	-	Bearings, units and housings
NUP 319 ECP	95	200	45	Bearings, units and housings
OH 31/670 H	630	850	456	Bearings, units and housings
P 1. FM	25.4	-	-
P 45 WF	45	-	-	Bearings, units and housings
SAW 23220 TLC	180	-	-	Bearings, units and housings

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