Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/3 R-2Z

W 638/3 R-2Z

Dimensions

d		3	mm
D		7	mm
B		3	mm
d₂	≈	3.85	mm
D₂	≈	6.35	mm
D₃		8.1	mm
C		0.8	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	3.7	mm
d_a	max.	3.8	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.178	kN
Basic static load rating	C₀	0.057	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		160000	r/min
Limiting speed		80000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.1

Mass

Mass bearing

0.00051

Model Number: W 638/3 R-2Z
Inner Diameter：3mm Outer Diameter：7mm Width：3mm
Reference speed:80000 r/min Limiting speed:160000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2024-12-21
Application:food / grain / food equipment,clean stationery,insect experimental analysis instrument,packaging machinery,other accessories,switch,tire industry,Doppler,Machine Tool Accessories,Machine tool accessories,machine lathe
Similar models:W 638/2-2Z SAF 22638 T W 63801 W 638/5-2RZ SAF 22638 x 7 T W 638/3 R-2RS1 W 63805 R-2Z SAF 22638 x 6.13/16 TLC W 63802-2RS1 W 638/1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13992	35.5346	58.22	11.91	Seals
15x40x7 HMS5 V	15	40	7	Seals
170x200x15 HMSA10 V	170	200	15	Seals
22330 CCJA/W33VA406	150	320	108	Bearings, units and housings
71926 CD/P4AH1	130	180	24	Bearings, units and housings
7320 BEP	100	215	47	Bearings, units and housings
82x160x15 HMSA10 V	82	160	15	Seals
8x18x5 HMS5 RG	8	18	5	Seals
OH 3184 H	400	420	304	Bearings, units and housings
NNU 4952 BK/SPW33	260	360	100	Bearings, units and housings
S7026 CD/P4A	130	200	33	Bearings, units and housings
SAF 22522 x 3.13/16 T	96.8375	-	-	Bearings, units and housings

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Hot number： 1210 EKTN9 + H 210 316639 AG 332129 A/HA4 387/382 A 42x55x7 HMS5 RG 42x62x10 HMS5 V 6013 NR 628-2RS1 7419 CBM 80x100x10 CRW1 V TQO design C 4032 NJ 2222 ECML SA 80 ESX-2LS W 63802-2RZ