Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/2 X-2Z

W 638/2 X-2Z

Dimensions

d		2	mm
D		5	mm
B		2.5	mm
d₁	≈	2.7	mm
D₂	≈	4.4	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	2.6	mm
d_a	max.	2.6	mm
D_a	max.	4.5	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.094	kN
Basic static load rating	C₀	0.025	kN
Fatigue load limit	P_u	0.001	kN
Reference speed		200000	r/min
Limiting speed		100000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.5

Mass

Mass bearing

0.0002

Model Number: W 638/2 X-2Z
Inner Diameter：2mm Outer Diameter：5mm Width：2.5mm
Reference speed:100000 r/min Limiting speed:200000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2021-06-03
Application:Industrial,relay,diving equipment,car,sewage pump,industrial equipment,lathe,historical instruments,Equipment,medical equipment,food testing
Similar models:W 638/2.5 R-2Z W 638/4-2RZ W 638/2-2Z W 63803-2Z W 638/8 R-2Z W 63800 R-2Z W 63805 W 63801-2RZ W 63805 R SAF 22638 x 6.13/16 TLC
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Model No.	Inner Diameter	Outer Diameter	Width	Type
18x30x6 HMSA10 V	18	30	6	Seals
25x62x10 HMS5 V	25	62	10	Seals
28x38x7 HMSA10 V	28	38	7	Seals
305802 C-2Z	15	40	15.9	Bearings, units and housings
332059	360	510	-	Bearings, units and housings
6313-2ZNR	65	140	33	Bearings, units and housings
7014 CE/P4AL1	70	110	20	Bearings, units and housings
BD-C 30/750 KMB-AOH 30/750	710	1090	250	Bearings, units and housings
MVR2-70	70	92	-	Seals
NNU 4172 K30M	360	600	243	Bearings, units and housings
SAFS 22520 x 3.1/2 T	88.9	-	-	Bearings, units and housings
SAFS 22544 x 8 TLC	203.2	-	-	Bearings, units and housings

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Hot number： 1000110 11372 135 TN9 16x28x7 CRW1 R 29906 320x380x25 HDS1 R 565 VRME R 6008-2Z 7214 BECBY 8648 90851 HJ 1038 NU 1028 ML PCM 95100100 M SAF 22528 x 5 TLC