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Bearing data

Needle roller bearing inner rings

IR series
LR series
Tolerances

For additional
information
Tolerances
Normal

Values: ISO 492 (table 1),
except for raceway tolerances (table 2)

  • F: h6
  • B: h12
  • d: K6
Values: table 3
Operating clearanceDepends on the bearing type with which the inner ring is combined.
Internal clearanceDepends on the bearing type with which the inner ring is combined.
Needle rollers
Dimension
standards
ISO 3096, except for RN-2x6.3 BF/G2 that is not standardized
Tolerances

For additional
information
Tolerances
ISO 3096 Grade 2 for flat end needle rollers

Available tolerances (table 4)

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