Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 617/4

W 617/4

Dimensions

d		4	mm
D		7	mm
B		2	mm
d₁	≈	4.75	mm
D₁	≈	6.25	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	4.6	mm
d_a	max.	4.7	mm
D_a	max.	6.4	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	0.003	kN
Reference speed		150000	r/min
Limiting speed		95000	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	7.3

Mass

Mass bearing

0.0002

Model Number: W 617/4
Inner Diameter：4mm Outer Diameter：7mm Width：2mm
Reference speed:95000 r/min Limiting speed:150000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-06-25
Application:medical equipment,SPA equipment,small appliances,hardware,sheet industry,equipment,physical instruments,Special Equipment,multi-knife lathe,Oral Image,Storage Tool
Similar models:FSAF 1617 x 2.13/16 W 61702 R-2RS1 FSNL 520-617 W 61700 X-2RS1 SAF 1617 x 2.7/8 TLC W 617/3 FSAF 1617 x 3 TLC W 61700 XR-2ZS SAF 1617 x 2.13/16 T FSAF 1617 x 2.13/16 TLC
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Model No. Inner Diameter Outer Diameter Width Type

90869
TQO design
NNU 4180 M/W33
OKCX 530
PCM 151712 E

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Hot number： 1475374 19350 23052-2CS5/VT143 312 NR 42557 63007-2RS1 71903 ACD/HCP4A 7210 ACD/HCP4A 72542 GEZH 108 ESX-2LS MBL 30 NJ 230 ECML RN-4x17.8 BF/G2 W 628/8 R-2RZ WS 81240

Model No.	Inner Diameter	Outer Diameter	Width	Type
90869
TQO design
NNU 4180 M/W33
OKCX 530
PCM 151712 E