U311
SIAIF U311
Type

Thrust ball bearing

Model：U311
Thickness(mm)：42
Inner diameter d：55
Outer diameter D：105
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Detailed information

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Model
  • Bearing53311
  • 座WasherU311
Basic size mm
  • d55
  • D105
  • H 1 42
Basic load rating kN
  • DynamicsC104
  • Static Co224
RatedSpeed r/min
  • Reference speed2200
  • Limit speed3200
Size mm
  • d55
  • d 1 ～105
  • D1 ～57
  • D 2 80
  • D 3 110
  • H39.3
  • C11.5
  • R80
  • s30
  • r 1,2 Minimum1.1
Shoulder and chamfer dimensions mm
  • d a Minimum85
  • Da Maximum80
  • r a Maximum1
Fatigue load limitPu
  • Fatigue load limitPu8.3
Minimum load factor A
  • Minimum load factor A0.26
QualityBearing+Seat
  • QualityBearing+Seat1.68

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