Description
Diameter (mm): 20;
Material: High carbon chromium bearing steel, steel material: SUJ-2(JISG4805);
Hardness: HRC61?o?7;
Mutual difference (micrometers): 3;
Surface roughness (micrometers): 0.080;
JIS grade: G60;
Diameter difference (micrometers): 1.5;
Sphericity (micrometers): 1.5;
Gauge interval (micrometers): 6.0;
Gauge S (micrometers): +25 to -25;
Compliant with RoHS Directive (corresponding to 10 substances)
