Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 618/2.5

W 618/2.5

Dimensions

d		2.5	mm
D		6	mm
B		1.8	mm
d₁	≈	3.7	mm
D₁	≈	4.9	mm
r_1,2	min.	0.08	mm

Abutment dimensions

d_a	min.	3.1	mm
d_a	max.	3.6	mm
D_a	max.	5.4	mm
r_a	max.	0.08	mm

Calculation data

Basic dynamic load rating	C	0.117	kN
Basic static load rating	C₀	0.036	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		170000	r/min
Limiting speed		110000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.1

Mass

Mass bearing

0.0002

Model Number: W 618/2.5
Inner Diameter：2.5mm Outer Diameter：6mm Width：1.8mm
Reference speed:110000 r/min Limiting speed:170000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-08-19
Application:Oral Image,instrumentation instrument,Chromatography Products,Gear grinding machine,packaging materials,motor,impression material,industrial supplies,tooth filling,printing machinery,disposable
Similar models:W 61810 R PPMF 161817 618/670 TN W 61807-2Z SAF 1618 x 3.1/16 TLC 61821-2RS1 61818-2RS1 618/800 MA W 618/0.6 W 61802 R-2Z
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Model No. Inner Diameter Outer Diameter Width Type

6016-2Z
FYNT 60 F
KD21-805
SNW 113x2.1/4
W 6302-2RZ

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Hot number： 402006 6203/HR22T2 BS2-2222-2RS5/VT143 BTM 80 ATN9/HCP4CDB BD-C 3060 KM-OH 3060 H FYTJ 35 KF H 312 K 18x25x22 K 89414 TN N 1022 KTN9/HC5SP NCF 28/600 V/HB1 NU 240 ECML NU 319 ECM QJ 212 MA SYE 2 3/4-3

Model No.	Inner Diameter	Outer Diameter	Width	Type
6016-2Z
FYNT 60 F
KD21-805
SNW 113x2.1/4
W 6302-2RZ