NN3021
SIAIF NN3021
Type

Short cylindrical roller bearing

Model：NN3021
Thickness(mm)：41
Inner diameter d：105
Outer diameter D：160
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Detailed information

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Bearing code
  • Cylindrical holeNN3021
  • Conical hole(1)NN3021K
Dimensions(mm)
  • d105
  • D160
  • B41
  • r (Minimum)2
  • Fw-
  • Ew146
Installation size(mm)
  • d a (2) (Minimum)114
  • d a (2) (Maximum)-
  • d 1a (Minimum)115
  • d c (Minimum)-
  • Da (Maximum)151
  • Da (Minimum)148
  • r a (Maximum)2
weight(kg)
  • (Refer to)2.88
Load rating(N)
  • Cr198000
  • Cor320000
Limit speed(rpm)
  • Grease lubrication3800
  • Oil lubrication4500

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