NF309
SIAIF NF309
Type

Short cylindrical roller bearing

Model：NF309
Thickness(mm)：25
Inner diameter d：45
Outer diameter D：100
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Detailed information

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Installation size (mm)
  • d a (4) (Minimum)53
  • d b (Minimum)-
  • d b (5) (Maximum)-
  • d c (Minimum)-
  • d d (Minimum)-
  • Da(4) (Maximum)-
  • Db (Maximum)92
  • Db (Minimum)77
  • r a (Maximum)1.5
  • r b (Maximum)1.5
Dimensions(mm)
  • d45
  • D100
  • B25
  • r(Minimum)1.5
  • r 1 (Minimum)1.5
  • Fw-
  • Ew86.5
weight(kg)
  • (Refer to)0.869
Load rating(N)
  • Cr74000
  • Cor71000
Limit speed(1)(rpm)
  • Grease lubrication6300
  • Oil lubrication7500
Bearing code(2) (3)
  • BasicModelN309
  • NUtype-
  • NJtype-
  • NUPtype-
  • NtypeN309
  • NFtypeNF309

List of Similar Bearing Models