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Bearing data

Boundary dimensions: ISO 15:2011

Except for:
  • locating slots:
    ISO 20515:2012 (table 1)

For additional
(→ Tolerances)


Check availability of P6

Except for:

  • SKF Explorer bearings:
    P6 and width tolerance reduced to 0/–40 µm

Values: ISO 492:2014 (table 2, table 3)
Contact angle
  • QJ 2, QJ 3 and QJ 10 series: 35°
  • QJ 12 series: 45°

For additional
(→ Bearing internal clearance)

Check availability of C2, C3, C4 or reduced ranges of standard clearance classes

Values: ISO 5753-2:2010 (table 4)

Values are valid for unmounted bearings under zero measuring load.


≈ 2 minutes of arc

The permissible angular misalignment between the inner and outer rings depends on the size and internal design of the bearing, the radial internal clearance in operation and the forces and moments acting on the bearing. As a result, only approximate values are listed here. Any misalignment increases bearing noise and reduces bearing service life.

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