Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 639

W 639

Dimensions

d		9	mm
D		30	mm
B		10	mm
d₂	≈	15.3	mm
D₂	≈	25.28	mm
r_1,2	min.	0.6	mm

Abutment dimensions

d_a	min.	13	mm
d_a	max.	15.2	mm
D_a	max.	26	mm
r_a	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	4.36	kN
Basic static load rating	C₀	2.32	kN
Fatigue load limit	P_u	0.1	kN
Reference speed		60000	r/min
Limiting speed		36000	r/min
Calculation factor	k_r	0.035
Calculation factor	f₀	12.9

Mass

Mass bearing

0.033

Model Number: W 639
Inner Diameter：9mm Outer Diameter：30mm Width：10mm
Reference speed:36000 r/min Limiting speed:60000 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:other CNC,luminescent reagent,storage and transportation equipment,Broadcasting System,Traffic Fire Protection Equipment Security equipment,hardware,motor,trolley,machine lathe,large agricultural machinery,small diesel generators
Similar models:316639 AG W 639/1.5-2Z LL 639249/210 W 639-2RS1 W 639-2RZ W 639/3 R-2RS1 W 639/2-2Z W 639/3 R-2Z 6391/K-6320 W 639/2.5 R-2ZS
BEARING POWER International Trading Co.,Ltd. specialize in W639 products，there is large inventory of SKF W 639 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639 Which SKF W639 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
13689	34.925	57.15	6.35	Seals
29334 E	170	280	67	Bearings, units and housings
36153	92.075	111.15	9.53	Seals
596399	2070.1	-	-	Seals
719/500 AGMB	500	670	78	Bearings, units and housings
71918 ACB/P4AL	90	125	18	Bearings, units and housings
7216 ACD/HCP4A	80	140	26	Bearings, units and housings
G 16x22x3	16	22	3	Seals
GE 90 ES/C2	90	130	50	Bearings, units and housings
N 211 ECP	55	100	21	Bearings, units and housings
S71904 CD/P4A	20	37	9	Bearings, units and housings
WBB1-8704	3	9	2.5	Bearings, units and housings

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Hot number： 17442 195x230x15 CRSH1 R 23277 29272 390x430x18 HDS2 R 405103 5385 7010 ACD/HCP4A AN 40 CRL 10 A H 3136 KM 21 KR 30 XB PCM 283225 M W 61703 R-2ZS