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Catalog
Deep Groove Ball Bearing
Single row deep groove ball bearing > With snap grooves and shields d 50-90mm
SUFUL軸承
SUFUL軸承
SUFUL軸承
SUFUL軸承
Dimension and Parameters
  • Pu
    1.9
  • Weight kg
    1.35
  •  
  • Principal dimensions （mm)
  • d
    55
  • D
    120
  • B
    29
  • Basic load ratings KN
  • dyc Cr
    74.1
  • stc Cor
    45
  • Speed ratings rpm
  • Speed Ratings
    12000
  • Limiting Speed 1)
    8000
  • Designation
  • Bearing with snap groove
    *6311N
  • snap groove and snap ring
    *6311NR
  • snap ring
    SP120
  • Dimensions mm
  • d
    55
  • d1 ～
    75.3
  • D1 ～
    99.5
  • D3
    115.21
  • D4
    129.7
  • b
    3.1
  • f
    2.82
  • C
    4.06
  • r 1,2 Min
    2
  • r 0 Max
    0.6
  • Abutment and fillet dimensions mm
  • d a Min
    66
  • Da Max
    109
  • D b Min
    131
  • b a Min
    3.5
  • Ca Max
    6.88
  • r a Max
    2
  • Value
  • k r
    0.03
  • fo
    13
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