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31311J2/QCL7C

31300 Series

31311J2/QCL7C

  • 31300 Series
  • 31300 Series
Designation :31311J2/QCL7C
Principal dimensions(mm)
d1 :55
D :120
B :31,5
Basic load ratings(KN)
dyc(Cr) :140
stc(Cor) :137
Pu :16,6
Speed ratings(rpm)
Speed Ratings :4300
Limiting Speed :5600
Weight(Kg) :1,55
ISO335 
Dimensions (ABMA) :7FB
Dimensions (mm)
d :55
d1~ :88,4
B :29
C :21
r1,2(min) :2,5
r3,4(min) :2
a :37
Abutment and fillet dimensions (mm)
da(max) :68
db(min) :65
Da(min) :94
Da(max) :112
Db(min) :113
Ca(min) :4
Cb(min) :10,5
ra(max) :2
rb(max) :2
Value
e :0,83
Y :0,72
Yo :0,4

Tapered roller bearings offer several advantages due to their unique design. They excel in handling both radial and axial loads by distributing these forces evenly across the bearing surfaces. This capability makes them suitable for applications where heavy combined loads and high axial rigidity are required, such as in automotive transmissions and wheel hubs. Tapered roller bearings also provide excellent durability and reliability in harsh operating conditions due to their ability to accommodate misalignment and shaft deflection. Their design minimizes frictional losses, enhancing energy efficiency, while their separable components facilitate easy assembly, disassembly, and maintenance. Overall, tapered roller bearings are valued for their robustness, versatility, and efficiency in demanding industrial and automotive applications.