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Bearing data

Boundary dimensionsISO 15:2011
Chamfer dimensionsMinimum values for the chamfer dimensions in the radial direction (r1, r3) and axial direction (r2, r4) are listed in the product table. The specifications differ according to the series.

718 .. D series

  • Values for the inner ring and thrust side of the outer ring: ISO 15:2011
  • 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 15:2011
  • Values for the non-thrust side of the outer ring: ISO 12044:1995, 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 15:2011
  • Values for the non-thrust side of the inner ring (d > 30 mm): smaller than those in accordance with ISO 15:2011
  • Values for the non-thrust side of the outer ring: ISO 12044:1995

70 .. E and S70 .. W series

  • Values for the inner ring and thrust side of the outer ring: ISO 15:2011
  • Values for the non-thrust side of the outer ring: ISO 12044:1995

719 .. B and 70 .. B series

  • Values for the inner ring and thrust side of the outer ring: ISO 15:2011
  • Values for the non-thrust side of the outer ring: smaller than those in accordance with ISO 15:2011

The appropriate maximum chamfer limits, which are important when dimensioning fillet radii on associated components, are in accordance with ISO 582:1995 and are listed in the product table.
Tolerances
For additional information (→ Tolerances)		P4A or P4 class tolerances as standard. P4B, PA9A or P2 class tolerances available on request.

The tolerance values are listed for:
Calculation dataFor hybrid bearings, the dynamic load ratings C and fatigue load limits Pu are in accordance with ISO 20056-1. The static load ratings C0 are in accordance with ISO 20056-2.
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