30311-A
GYJ 30311-A
Type

Tapered roller bearing

Model：30311-A
Thickness(mm)：29
Inner diameter d：55
Outer diameter D：120
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Detailed information

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Calculate coefficient
  • e0.35
  • Y1.74
  • Y 0 0.96
Model
  • Model30311-A
Sizemm
  • d55
  • D120
  • B29
  • C25
  • T31.5
  • r1, r2 min2.5
  • r3, r4 min2
  • a ≈25
  • d 1 ≈84.7
Installation sizemm
  • d a max71
  • d b min65
  • D a min104
  • D a max110
  • D b min111
  • C a min4
  • C b min6.5
  • r a max2.5
  • r b max2
Basic load ratingN
  • Dynamic load C r 151000
  • Static load C or 173000
可互换Model按照 ISO355
  • 可互换Model按照 ISO355T2FB055
Quality/ m ≈kg
  • Quality/ m ≈kg1.8
Fatigue limit load C ur / N
  • Fatigue limit load C ur / N20600
Limit speed n G min –1
  • Limit speed n G min –1 6000
Reference speed n B min –1
  • Reference speed n B min –1 4500
X-life
  • X-life-

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