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Tapered Roller Bearing
Inch taper roller bearing > d 53,975-60,325mm 　2,1250-2,3750 in
  • Product
  • Structure
SUFUL轴承
SUFUL轴承
Dimension and Parameters
  • Pu
    21.6
  • Weight
    2.05
  • Designation
    72212/2/72487/2/Q
  • Series
    72000
  •  
  • Principal dimensions （mm)
  • d
    53.975
  • D
    123.825
  • T
    36.512
  • Basic load ratings KN
  • dyc Cr
    147
  • stc Cor
    180
  • Speed ratings rpm
  • Speed Ratings
    3800
  • Limiting Speed
    5600
  • Dimensions mm
  • d
    53.975
  • d 1 ～
    88.8
  • B
    32.791
  • C
    25.4
  • r 1,2 Min
    3.5
  • r 3,4 Min
    3.3
  • a
    36
  • Abutment and fillet dimensions mm
  • d a Max
    68
  • d b Min
    65.5
  • Da Min
    93
  • Da Max
    113
  • Db Min
    114
  • Ca Min
    5
  • Cb Min
    11
  • r a Max
    3
  • r b Max
    3
  • Value
  • e
    0.75
  • Y
    0.8
  • Yo
    0.45

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