Angular-contact double-row ball bearings with the contact angle 60 degree. Specifications
NORM herausgegeben am 1.7.1976
Designation standards: GOST 20821-75
Publication date standards: 1.7.1976
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 3.84
Amd. 4.91