Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 618/2

W 618/2

Dimensions

d		2	mm
D		5	mm
B		1.5	mm
d₁	≈	2.7	mm
D₁	≈	3.9	mm
r_1,2	min.	0.08	mm

Abutment dimensions

d_a	min.	2.5	mm
d_a	max.	2.6	mm
D_a	max.	4.4	mm
r_a	max.	0.08	mm

Calculation data

Basic dynamic load rating	C	0.094	kN
Basic static load rating	C₀	0.025	kN
Fatigue load limit	P_u	0.001	kN
Reference speed		200000	r/min
Limiting speed		120000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.5

Mass

Mass bearing

0.0001

Model Number: W 618/2
Inner Diameter：2mm Outer Diameter：5mm Width：1.5mm
Reference speed:120000 r/min Limiting speed:200000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-06-24
Application:centrifugal pump,Logistics Equipment,Pneumatic Actuator,woodworking machinery,stirrer,spreader series,equipment,CNC,metallurgy,instrument,insect experimental analysis instrument
Similar models:61812-2RS1 SAF 1618 TLC W 61806-2RS1 PCM 161825 M W 61817-2RS1 618/800 MA 61821-2RS1 61807-2RS1 W 61800-2RZ W 618/4
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Model No. Inner Diameter Outer Diameter Width Type

53309 + U 309
GEZ 112 ESX-2LS
NKI 55/35
SAF 1517 x 2.7/8 T
YARAG 205

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Hot number： 24015 CC/W33 32006 X 34891 6010-Z 709 ACD/P4AH 7449 95x145x12 HMS5 RG BD-C 3138 KV-H 3138 GE 20 TXE-2LS K 15x20x13 RMS 22 S71918 ACD/P4A SAW 23232 SNL 3276 G SSAFS 22216 TLC

Model No.	Inner Diameter	Outer Diameter	Width	Type
53309 + U 309
GEZ 112 ESX-2LS
NKI 55/35
SAF 1517 x 2.7/8 T
YARAG 205