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

W 639/3 R-2Z

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		150000	r/min
Limiting speed		75000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	6.1

Mass

Mass bearing

0.00092

Model Number: W 639/3 R-2Z
Inner Diameter：3mm Outer Diameter：8mm Width：4mm
Reference speed:75000 r/min Limiting speed:150000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2024-12-13
Application:Rolling mill gear box,other lathe,filter paper products,axle lathe,food / grain / food equipment,Industrial Adhesive,hydraulic pump,circulating pump,test strip,hydraulic pressure gauge,Optical Instruments
Similar models:316639 AG LL 639249/210 W 639/1.5-2Z W 639/2-2Z 6391/K-6320 W 639-2RZ W 639-2Z W 639/3-2Z W 639/1.5 R-2Z W 639/3 R-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W639/3R-2Z products，there is large inventory of SKF W 639/3 R-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639/3 R-2Z Which SKF W639/3R-2Z is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
105x140x12 CRWA1 R	105	140	12	Seals
14810	38.1	47.6	6.35	Seals
710 VE R	689	-	-	Seals
D/W RW1-4 R-2Z	1.984	6.35	4.366	Bearings, units and housings
FYTWK 3/4 YTA	19.05	-	-	Bearings, units and housings
NA 4852	260	320	60	Bearings, units and housings
NA 4922	110	150	40	Bearings, units and housings
PFD 40	-	-	-	Bearings, units and housings
PSM 405050 A51	40	50	50	Bearings, units and housings
S71912 CB/HCP4A	60	85	13	Bearings, units and housings
SAF 1222	110	-	-	Bearings, units and housings
W 629	9	26	8	Bearings, units and housings

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