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：2026-04-17
Application:Internal thread type,Spectrum Products,marine analysis,test equipment,Ball screw,Laser Cutting,sterilizers,Cylinder Type,Hair styling device,wheel lathe,PVC
Similar models:W 639/1.5-2Z LL 639249/210 W 639/3 R-2RS1 316639 AG 6391/K-6320 W 639/2 R-2Z W 639/2.5 R-2ZS W 639/1.5 R-2Z W 639-2Z W 639
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Model No.	Inner Diameter	Outer Diameter	Width	Type
15x25x5 HMSA10 RG	15	25	5	Seals
20x32x6 HMSA10 V	20	32	6	Seals
25102	63.5	98.45	11.91	Seals
38x60x8 CRW1 V	38	60	8	Seals
6304-RSH	20	52	15	Bearings, units and housings
7207 BEP	35	72	17	Bearings, units and housings
BD-C 2216 KV-H 316	70	140	33	Bearings, units and housings
GS 81218	90	135	10.5	Bearings, units and housings
GX 50 F	50	130	42.5	Bearings, units and housings
KMTA 17	32	-	85	Bearings, units and housings
SAF 1308-210	40	-	-	Bearings, units and housings
YAT 207-104		72		Bearings, units and housings

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