N421
SIAIF N421
Type

Short cylindrical roller bearing

Model：N421
Thickness(mm)：60
Inner diameter d：105
Outer diameter D：260
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Detailed information

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Installation size (mm)
  • d a (4) (Minimum)121
  • d b (Minimum)121
  • d b (5) (Maximum)141
  • d c (Minimum)147
  • d d (Minimum)162
  • D a (4) (Maximum)244
  • D b (Maximum)244
  • Db (Minimum)225
  • r a (Maximum)3
  • r b (Maximum)3
Dimensions(mm)
  • d105
  • D260
  • B60
  • r(Minimum)4
  • r 1 (Minimum)4
  • Fw144.5
  • Ew220.5
weight(kg)
  • (Refer to)17.3
Load rating(N)
  • Cr495000
  • Cor555000
Limit speed(1)(rpm)
  • Grease lubrication2400
  • Oil lubrication3000
Bearing code(2) (3)
  • BasicModelNU421
  • NUtypeNU421
  • NJtypeNJ421
  • NUPtype-
  • NtypeN421
  • NFtypeNF421

List of Similar Bearing Models