Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/4 R-2RS1

W 638/4 R-2RS1

Dimensions

d		4	mm
D		9	mm
B		4	mm
d₁	≈	5.2	mm
D₂	≈	8.1	mm
D₃		10.3	mm
C		1	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	4.8	mm
d_a	max.	5.1	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.364	kN
Basic static load rating	C₀	0.114	kN
Fatigue load limit	P_u	0.005	kN
Reference speed		0	r/min
Limiting speed		40000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.5

Mass

Mass bearing

0.0011

Model Number: W 638/4 R-2RS1
Inner Diameter：4mm Outer Diameter：9mm Width：4mm
Reference speed:40000 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：2024-12-13
Application:generator,security,teaching equipment,heating fans,hanging clamp,building decoration raw materials and accessories,auto tools,powder metallurgy,textile machinery,Generator,Rolling mill
Similar models:W 63801-2Z W 63801-2RS1 W 63805-2Z W 63800 R-2Z W 638/5-2Z SAF 22638 x 7 TLC SAF 22638 x 6.13/16 W 63801-2RZ W 638/3 R-2Z W 638/4-2Z
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401304	117	-	-	Seals
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7453	19.05	31.75	6.35	Seals
FSAF 23024 KA x 4.1/8	104.775	-	-	Bearings, units and housings
FY 55 TF/VA201	55	-	64.4	Bearings, units and housings
K 81256 M	280	380		Bearings, units and housings
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NUP 307 ECP	35	80	21	Bearings, units and housings
PBM 658090 M1G1	65	80	90	Bearings, units and housings
S7028 CD/HCP4A	140	210	33	Bearings, units and housings
SYNT 55 L	55	-	-	Bearings, units and housings

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