SKF W638/4XR-2RS1 Deep groove ball bearings,SKF W 638/4 XR-2RS1 Ball bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/4 XR-2RS1

W 638/4 XR-2RS1

Dimensions
d 4mm
D 10mm
B 4mm
d1≈5.9mm
D2≈8.8mm
D3 11.6mm
C 0.8mm
r1,2min.0.15mm
Abutment dimensions
damin.5.6mm
damax.5.8mm
ramax.0.2mm
Calculation data
Basic dynamic load ratingC 0.553kN
Basic static load ratingC0 0.245kN
Fatigue load limitPu 0.011kN
Reference speed  0r/min
Limiting speed  36000r/min
Calculation factorkr 0.02 
Calculation factorf0 12.3 
Mass
Mass bearing  0.0015kg
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Hot number： 22240 CC/W33 24088 ECAK30/W33 29330 E 54309 + U 309 38703 526809 61210 71911 CB/HCP4AL 7312 BECBJ 85x115x12 HMSA10 V H 313 E NN 3011 TN/SP OH 39/950 H SAF 1213 SYFJ 504

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