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

W 638/4 R-2Z

Dimensions
d 4mm
D 9mm
B 4mm
d15.2mm
D28.1mm
D3 10.3mm
C 1mm
r1,2min.0.1mm
Abutment dimensions
damin.4.8mm
damax.5.1mm
ramax.0.1mm
Calculation data
Basic dynamic load ratingC 0.364kN
Basic static load ratingC0 0.114kN
Fatigue load limitPu 0.005kN
Reference speed  140000r/min
Limiting speed  70000r/min
Calculation factorkr 0.02 
Calculation factorf0 6.5 
Mass
Mass bearing  0.0011kg
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Hot number: 22382 27280 32x72x7 HMS5 V 6024-2RS1 7252 BM 99121 BC2B 319943 BTM 60 BTN9/HCP4CDB D/W R8 R-2RS1 GEM 25 ES-2RS N 312 ECM NATV 25 NU 210 ECJ PCZ 3632 E W 61815-2Z

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