Rolling bearings. Balls - Ceramic balls Ingestion-build-79769 BS EN 1676 also specifies

BS EN 1676 also specifies the classifications and designations applicable to these grades and provides various test results which will help both the manufacturer as well as the purchaser to identify and select the suitable raw material for their desired products

ballasts and breathing devices

By using BS EN IEC 60286‑3 you can prevent contamination

marking identification and structural design have been revised to reflect new test evidence and experience of use

Rolling bearings. Balls - Ceramic balls Ingestion-build-79769 BS EN 1676 also specifiesBS ISO 3290 2 specifies requirements for finished silicon nitride balls for rolling bearings. Contents of BS ISO 3290 2 Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols 5 Requirements 5. 1 Ball size 5. 2 Quality of geometry and surface 5. 3 Sorting accuracy and ball gauges 6 Material 7 Dimensions and tolerances Annex A (normative) Method for assessment of deviation from spherical form Annex B (normative) Illustration of ball