Super-Precision Contact Ball Bearings Bearing Data

718 .. D series

•  Values for the inner ring and thrust side of the outer ring: ISO 15
•  Values for the non-thrust side of the outer ring are not standardized

719 .. D, 70 .. D and 72 .. D series

•  Values for the inner ring and thrust side of the outer ring: ISO 15
•  Values for the non-thrust side of the outer ring: ISO 12044, where applicable

719 .. E series

•  Values for the non-thrust side of the inner ring (d ≤ 30 mm), thrust side of the inner ring, and thrust side of the outer ring: ISO 15
•  Values for the non-thrust side of the inner ring (d > 30 mm): smaller than those in accordance with ISO 15
•  Values for the non-thrust side of the outer ring: ISO 12044

70 .. E and S70 .. W series

•  Values for the inner ring and thrust side of the outer ring: ISO 15
•  Values for the non-thrust side of the outer ring: ISO 12044

719 .. B and 70 .. B series

•  Values for the inner ring and thrust side of the outer ring: ISO 15
•  Values for the non-thrust side of the outer ring: smaller than those in accordance with ISO 15

The appropriate maximum chamfer limits, which are important when dimensioning fillet radii on associated components, are in accordance with ISO 582 and are listed in the product table.

•  P4A class tolerances (table 1)
•  P4B class tolerances (table 2)
•  P4 class tolerances (table 3)
•  PA9A class tolerances (table 4)
•  P2 class tolerances (table 5)