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31300 Series

31318J2

A tapered roller bearing is a type of bearing designed to handle both radial and axial loads. It consists of an inner ring, an outer ring, and tapered rollers arranged between them. The rollers are shaped like cones, which allows the bearing to support high loads while reducing friction. Tapered roller bearings are commonly used in applications such as automotive wheels, gearboxes, and industrial machinery, where both radial and axial forces are present. These bearings offer durability, high load capacity, and efficiency in a wide range of settings.

  • 31300 Series
  • 31300 Series

Dimension and Parameters

Designation :31318J2
Principal dimensions(mm)
d1 :90
D :190
B :46,5
Basic load ratings(KN)
dyc(Cr) :264
stc(Cor) :315
Pu :36,5
Speed ratings(rpm)
Speed Ratings :2400
Limiting Speed :3400
Weight(Kg) :5,90
ISO335 
Dimensions (ABMA) :7GB
Dimensions (mm)
d :90
d1~ :138
B :43
C :30
r1,2(min) :4
r3,4(min) :3
a :57
Abutment and fillet dimensions (mm)
da(max) :109
db(min) :105
Da(min) :151
Da(max) :176
Db(min) :179
Ca(min) :5
Cb(min) :16,5
ra(max) :3
rb(max) :2,5
Value
e :0,83
Y :0,72
Yo :0,4
QUALITY ASSURANCE
QUALITY ASSURANCE
REASONABLE PRICE
REASONABLE PRICE
GOOD SERVICE
GOOD SERVICE
FAST DELIVERY
FAST DELIVERY

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