639 , 639-2RS , 639-2Z Single Roller Deep groove ball bearing
639 , 639-2RS , 639-2Z Single Roller Deep groove ball bearing detail Specifications:
Metric series
Material : 52100 Chrome Steel
Construction : Single Row
Seal Type : Open type,ZZ or 2RS
Limiting Speed : 30000 rpm
Weight : 0.035 kg
Main Dimensions:
Bore diameter (d) : 9 mm
Outer diameter (D) : 30 mm
Width (B) : 10 mm
Chamfer Dimension ( r) min. : 0.6 mm
Dynamic load ratings (Cr) : 4.66 KN
Static load ratings (Cor) : 2.08 KN
ABUTMENT DIMENSIONS
Abutment diameter shaft (da) min. : 13 mm
Abutment diameter housing (Da) max. : 26 mm
Radius of shaft or housing fillet (ra) max. : 0.6 mm
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