31309-A
Type

Tapered roller bearing

Model:31309-A
Thickness(mm):25
Inner diameter d:45
Outer diameter D:100

Detailed information

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Calculate coefficient
  • e0.83
  • Y0.73
  • Y 0 0.4
Model
  • Model31309-A
Sizemm
  • d45
  • D100
  • B25
  • C18
  • T27.25
  • r1, r2 min2
  • r3, r4 min1.5
  • a ≈32
  • d 1 ≈75.8
Installation sizemm
  • d a max56
  • d b min54
  • D a min79
  • D a max91
  • D b min95
  • C a min4
  • C b min9
  • r a max2
  • r b max1.5
Basic load ratingN
  • Dynamic load C r 96000
  • Static load C or 108000
可互换Model按照 ISO355
  • 可互换Model按照 ISO355T7FB045
Quality/ m ≈kg
  • Quality/ m ≈kg0.998
Fatigue limit load C ur / N
  • Fatigue limit load C ur / N12700
Limit speed n G min –1
  • Limit speed n G min –1 6700
Reference speed n B min –1
  • Reference speed n B min –1 4650
X-life
  • X-life-