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

W 617/4 X

Dimensions

d		4	mm
D		8	mm
B		2	mm
d₁	≈	5	mm
D₁	≈	6.8	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	4.9	mm
d_a	max.	4.9	mm
D_a	max.	6.9	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.225	kN
Basic static load rating	C₀	0.072	kN
Fatigue load limit	P_u	0.003	kN
Reference speed		150000	r/min
Limiting speed		90000	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	7.2

Mass

Mass bearing

0.0004

Model Number: W 617/4 X
Inner Diameter：4mm Outer Diameter：8mm Width：2mm
Reference speed:90000 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：2026-06-26
Application:plastic rolling,,Forming mold,clean stationery,industrial fans,extruder,CNC,instrumentation instrument,rubber products machinery and equipment,machining,food / grain / food equipment
Similar models:W 617/6 R W 61708-2RS1 SAF 1617 x 3 T SAF 1617 x 2.7/8 T FSAF 1617 x 3 TLC SAF 22617 W 61701 R-2ZS W 617/3 R W 617/8 R FSAF 22617 x 2.7/8
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Model No. Inner Diameter Outer Diameter Width Type

25572/25520
31320 X/DF
37403
6009-Z
W 6303-2RZ

Purchase the SKF W 617/4 X Please fill in the following

Hot number： 2209 EKTN9 + H 309 2212 ETN9 32056 X 3211 A 33207T64/DB 455 VE R 51268 F 7014 ACD/HCP4AL FY 35 WF FYK 30 WD GS 81148 NJ 2215 ECJ OKTC 405 S7018 ACB/P4A W 6006-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
25572/25520
31320 X/DF
37403
6009-Z
W 6303-2RZ