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Tapered Roller Bearings

31311-Single row tapered roller bearing

Libeat Bearings
Main Dimensions & Performance Data

Model

 31311

Iso355 standard

 7FB

d

 55 mm

od

 120 mm

T

 31.5 mm

cr

 149 kN

cor

 137 kN

Pu

 16.6 Pu

reference speed

 4300 r/min

limit speed

 5600 r/min

weight

 1.55 kg

Mounting dimensions

d1

 88.4

B

 29

C

 21

r1,2min

 2.5

r3,4min

 2

a

 37

damax

 68

dbmin

 66.5

Damin

 94

Damax

 111

Dbmin

 113

Camin

 4

Cbmin

 10.5

ramax

 2.5

rbmax

 2

e

 0.83

Y

 0.72

Y0

 0.4

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