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Tapered Roller Bearing
Inch taper roller bearing > d 95,250-149,225mm 　3,7500-5,8750 in
SUFUL軸承
SUFUL軸承
Dimension and Parameters
  • Pu
    30
  • Weight
    2.95
  • Designation
    68450/68712
  • Series
    68000
  •  
  • Principal dimensions （mm)
  • d
    114.3
  • D
    180.975
  • T
    34.925
  • Basic load ratings KN
  • dyc Cr
    183
  • stc Cor
    280
  • Speed ratings rpm
  • Speed Ratings
    2600
  • Limiting Speed
    3800
  • Dimensions mm
  • d
    114.3
  • d 1 ～
    144
  • B
    31.75
  • C
    25.4
  • r 1,2 Min
    3.5
  • r 3,4 Min
    3.3
  • a
    40
  • Abutment and fillet dimensions mm
  • d a Max
    129
  • d b Min
    127
  • Da Min
    158
  • Da Max
    170
  • Db Min
    170
  • Ca Min
    4
  • Cb Min
    9.5
  • r a Max
    3
  • r b Max
    3
  • Value
  • e
    0.5
  • Y
    1.2
  • Yo
    0.7
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