Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 618/8

W 618/8

Dimensions

d		8	mm
D		16	mm
B		4	mm
d₁	≈	10.5	mm
D₁	≈	13.5	mm
r_1,2	min.	0.2	mm

Abutment dimensions

d_a	min.	9.6	mm
d_a	max.	10.4	mm
D_a	max.	14.4	mm
r_a	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	0.715	kN
Basic static load rating	C₀	0.3	kN
Fatigue load limit	P_u	0.012	kN
Reference speed		90000	r/min
Limiting speed		56000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.5

Mass

Mass bearing

0.0031

Model Number: W 618/8
Inner Diameter：8mm Outer Diameter：16mm Width：4mm
Reference speed:56000 r/min Limiting speed:90000 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:static control,water protection,other lathe,Broadcasting System,dynamic blood pressure,Body shaping,equipment and,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Machine Tool Accessories,Textile Accessories,wire industry
Similar models:61824-2RS1 618/1700 MB W 61808-2Z 61836 61800-2RS1 W 61809-2RZ W 61807 R 61824-2RZ W 61800 618/900 MA
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12350	31.75	42.85	7.95	Seals
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450x500x20 HDS1 R	450	500	20	Seals
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7203 CD/P4A	17	40	12	Bearings, units and housings
FYWK 40 YTH	40	-	-	Bearings, units and housings
G 4x8x2 S	4	8	2	Seals
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NU 311 ECNJ	55	120	29	Bearings, units and housings
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