N311
SIAIF N311
Type

Short cylindrical roller bearing

Model：N311
Thickness(mm)：29
Inner diameter d：55
Outer diameter D：120
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Detailed information

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Installation size (mm)
  • d a (4) (Minimum)64
  • d b (Minimum)-
  • d b (5) (Maximum)-
  • d c (Minimum)-
  • d d (Minimum)-
  • Da(4) (Maximum)-
  • Db (Maximum)111
  • Db (Minimum)107
  • r a (Maximum)2
  • r b (Maximum)2
Dimensions(mm)
  • d55
  • D120
  • B29
  • r(Minimum)2
  • r 1 (Minimum)2
  • Fw-
  • Ew104.5
weight(kg)
  • (Refer to)1.42
Load rating(N)
  • Cr111000
  • Cor111000
Limit speed(1)(rpm)
  • Grease lubrication5000
  • Oil lubrication6300
Bearing code(2) (3)
  • BasicModelN311
  • NUtype
  • NJtype
  • NUPtype
  • NtypeN311
  • NFtypeNF311

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