Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 639/3 R-2RS1

W 639/3 R-2RS1

Dimensions

d		3	mm
D		8	mm
B		4	mm
d₁	≈	4.35	mm
D₂	≈	7.25	mm
D₃		9.5	mm
C		0.9	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	3.9	mm
d_a	max.	4.3	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.319	kN
Basic static load rating	C₀	0.09	kN
Fatigue load limit	P_u	0.004	kN
Reference speed		0	r/min
Limiting speed		43000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	6.1

Mass

Mass bearing

0.00092

Model Number: W 639/3 R-2RS1
Inner Diameter：3mm Outer Diameter：8mm Width：4mm
Reference speed:43000 r/min Limiting speed:0 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-08-20
Application:Cylinder Standard,Air,food testing,Industrial,Broadcasting System,light therapy instrument,tower crane,Automation,root canal filling,animal anatomy,tooth filling
Similar models:W 639-2RS1 6391/K-6320 W 639/2.5 R-2ZS LL 639249/210 W 639/2 R-2Z W 639-2RZ W 639/1.5 R-2Z W 639/1.5-2Z W 639/2.5-2ZS W 639
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Model No. Inner Diameter Outer Diameter Width Type

FYNT 35 F
FYTB 1/2 TF
K 35x45x30
SAF 1310 T
SY 1.1/2 TR

Purchase the SKF W 639/3 R-2RS1 Please fill in the following

Hot number： 23048-2CS5K/VT143 29417 E 35x50x7 HMS5 V 7005 ACE/P4AL1 87723 D/W RW4 R-2RS1 IR 65x75x28 KML 36 NA 2207.2RSX NU 3188 ECMA/HB1 RNA 6909 SAF 1510 x 1.3/4 T SILJ 16 ES SNW 26x4.5/16 W 618/9

Model No.	Inner Diameter	Outer Diameter	Width	Type
FYNT 35 F
FYTB 1/2 TF
K 35x45x30
SAF 1310 T
SY 1.1/2 TR