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

W 639/3-2RS1

Dimensions

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

Abutment dimensions

d_a	min.	3.9	mm
d_a	max.	4.3	mm
D_a	max.	7.3	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

0.00082

Model Number: W 639/3-2RS1
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：2025-12-09
Application:Die,Industrial,Internal thread type,Cylinder Special,Medical printer,medical equipment,pneumatic,orthodontic material,Special Equipment,Spectrum Products,baler
Similar models:6391/K-6320 W 639/3-2RS1 W 639-2RS1 W 639/2.5 R-2ZS W 639/2-2Z W 639-2Z W 639/3-2Z W 639 LL 639249/210 W 639/2.5-2ZS
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Model No.	Inner Diameter	Outer Diameter	Width	Type
150 VA R	135	-	-	Seals
240/530 ECAK30/W33 + AOH 240/530 G	500	780	250	Bearings, units and housings
38751	98.425	141.2748	-	Seals
50x72x12 HMSA10 V	50	72	12	Seals
53316 + U 316	80	140	47.6	Bearings, units and housings
7026 CD/HCP4A	130	200	33	Bearings, units and housings
7693	19.05	51.99	7.95	Seals
HE 3130	133.35	150	111	Bearings, units and housings
P 35 WF	35	-	-	Bearings, units and housings
SCF 20 ES	20	-	16	Bearings, units and housings
SYR 1 1/2-3	38.1	-	-	Bearings, units and housings
W 605 R-2RS1	5	14	5	Bearings, units and housings

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Hot number： 313221 33214 35x50x8 CRW1 V 361201 R 71922 CE/HCP4A 7312 BEP AHX 3222 G BT4B 328161/HA1 FSAF 1616 x 2.5/8 FYTBK 35 LD NU 2212 ECJ NUH 2248 ECMH/PEX SAF 22632 x 5.1/2 SAF 23052 KAT x 9.1/2 SIL 30 C