639
SIAIF 639
Type

Small ball bearings and miniature ball bearings

Model：639
Thickness(mm)：10
Inner diameter d：9
Outer diameter D：30
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Detailed information

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Bearing code
  • Open639
  • Dust cover type639ZZ
  • Seal式VV639VV
  • Seal式DD-
Dimensions
  • d9
  • D30
  • B10
  • B110
  • r (1) (Minimum)0.6
  • r1 (1) (Minimum)0.6
Load rating (N)
  • Cr5100
  • Cor2390
Load rating {kgf}
  • Cr520
  • Cor244
Limit speed(rpm)
  • Grease lubrication Z·ZZ V·V V24000
  • D·D-
  • Oil lubrication Z30000
Installation size (mm)
  • d a (Minimum)13.0
  • d b (Maximum)16.1
  • Da (Maximum)26.0
  • D b (Minimum)25.6
  • r a (Maximum)0.6
  • r b (Maximum)0.6
weight(g) (Refer to)
  • Open36.5
  • Dust cover type36

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