Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 639/2.5 R-2ZS

W 639/2.5 R-2ZS

Dimensions

d		2.5	mm
D		7	mm
B		3.5	mm
d₁	≈	3.85	mm
D₂	≈	6.2	mm
D₃		8.5	mm
C		0.9	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	3.7	mm
d_a	max.	3.8	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.221	kN
Basic static load rating	C₀	0.067	kN
Fatigue load limit	P_u	0.003	kN
Reference speed		160000	r/min
Limiting speed		80000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	6.6

Mass

Mass bearing

0.00071

Model Number: W 639/2.5 R-2ZS
Inner Diameter：2.5mm Outer Diameter：7mm Width：3.5mm
Reference speed:80000 r/min Limiting speed:160000 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:garbage disposal,sleep monitoring,Spectrum Products,car shock absorber,car steering pin,car instrument,Cylinder Micro,screen filter,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,survey accessories,wire industry
Similar models:W 639-2RS1 W 639/3 R-2RS1 W 639 6391/K-6320 W 639-2RZ W 639/3 R-2Z W 639/3-2RS1 W 639/2.5 R-2ZS W 639/2 R-2Z W 639/3-2Z
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Model No. Inner Diameter Outer Diameter Width Type

1050524
39930
400x450x25 HS5 R
75x100x12 HMS5 V
S7215 CD/P4A

Purchase the SKF W 639/2.5 R-2ZS Please fill in the following

Hot number： 13711 16903 210x250x20 HDS1 V BD-230/670 CAK/W33-OH 30/670 H 45033 7036 ACD/HCP4AL 71918 CD/P4AL AOHX 3196 G BT4B 328974 G/HA1VA901 NJ 2214 ECPH NU 330 ECM/C3VL2071 PL 60 SILKB 10 F SNL 3064 TURT YEL 206-103-2F

Model No.	Inner Diameter	Outer Diameter	Width	Type
1050524
39930
400x450x25 HS5 R
75x100x12 HMS5 V
S7215 CD/P4A