N228
SIAIF N228
Type

Short cylindrical roller bearing

Model：N228
Thickness(mm)：42
Inner diameter d：140
Outer diameter D：250
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Detailed information

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Installation size (mm)
  • d a (4) (Minimum)153
  • d b (Minimum)-
  • d b (5) (Maximum)-
  • d c (Minimum)-
  • d d (Minimum)-
  • Da(4) (Maximum)-
  • Db (Maximum)237
  • Db (Minimum)225
  • r a (Maximum)2.5
  • r b (Maximum)2.5
Dimensions(mm)
  • d140
  • D250
  • B42
  • r(Minimum)3
  • r1(Minimum)3
  • Fw-
  • Ew221
weight(kg)
  • (Refer to)8.08
Load rating(N)
  • Cr297000
  • Cor375000
Limit speed(1)(rpm)
  • Grease lubrication2400
  • Oil lubrication3000
Bearing code(2) (3)
  • BasicModelN228
  • NUtype-
  • NJtype-
  • NUPtype-
  • NtypeN228
  • NFtypeNF228

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