Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 618/4

W 618/4

Dimensions

d		4	mm
D		9	mm
B		2.5	mm
d₁	≈	5.2	mm
D₁	≈	7.5	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	4.8	mm
d_a	max.	5.1	mm
D_a	max.	8.2	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.364	kN
Basic static load rating	C₀	0.114	kN
Fatigue load limit	P_u	0.005	kN
Reference speed		140000	r/min
Limiting speed		85000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.5

Mass

Mass bearing

0.0006

Model Number: W 618/4
Inner Diameter：4mm Outer Diameter：9mm Width：2.5mm
Reference speed:85000 r/min Limiting speed:140000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2025-12-09
Application:bio-chemical,tube,Security Equipment,ventilation fans,non-motor vehicle Electric car,security,Dental Equipment,motor,noise reduction equipment,Cutting Machine,generator
Similar models:W 61814-2RS1 W 618/5 W 618/3 R W 618/9 61856 MA SAF 1618 T W 61801-2RZ W 618/7 61876 MA W 61803 R-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W618/4 products，there is large inventory of SKF W 618/4 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 618/4 Which SKF W618/4 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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