Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 639/1.5 R-2Z

W 639/1.5 R-2Z

Dimensions

d		1.5	mm
D		5	mm
B		2.6	mm
d₁	≈	2.53	mm
D₂	≈	4.5	mm
D₃		6.5	mm
C		0.8	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	2.4	mm
d_a	max.	2.4	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.135	kN
Basic static load rating	C₀	0.036	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		200000	r/min
Limiting speed		100000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	5.9

Mass

Mass bearing

0.0003

Model Number: W 639/1.5 R-2Z
Inner Diameter：1.5mm Outer Diameter：5mm Width：2.6mm
Reference speed:100000 r/min Limiting speed:200000 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:Plastic molding,vertical sawing machine,electric hydraulic lifting platform,Pneumatic Actuator,food safety,Medical printer,air conditioning tools,noise inspection,switch,extruder,rubber products machinery and equipment
Similar models:LL 639249/210 W 639/2.5 R-2ZS W 639-2RZ W 639/3-2RS1 W 639/3-2Z 6391/K-6320 W 639/3 R-2Z W 639 W 639/2.5-2ZS W 639/2 R-2Z
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Model No. Inner Diameter Outer Diameter Width Type

6226/C3VL2071
BD-C 3064 KM-AOH 3064 G
FYK 25 WD
GAC 30 F
H 2305

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Hot number： 1215 130x190x12 HMS5 V 19969 3208 ATN9 51340 M FYR 2 3/16 GE 180 ES-2RS HA 3130 E NKIS 25 NNU 4934 BK/SPW33 PWKRE 80.2RS RNU 204 SAW 23540 T SY 2.3/16 TF/VA201 TUWK 40 LTHR

Model No.	Inner Diameter	Outer Diameter	Width	Type
6226/C3VL2071
BD-C 3064 KM-AOH 3064 G
FYK 25 WD
GAC 30 F
H 2305