Single Row Cylindrical Roller Bearings

NU3188

The cylindrical roller bearing has a linear contact between the rollers and the raceway, therefore, it has a high radial load bearing capacity, which enables this bearing to withstand heavy loads and impact loads well. In addition, since the inner and outer rings can be separated, it is easy to disassemble and assemble.
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  • Single Row Cylindrical Roller Bearings
  • Single Row Cylindrical Roller Bearings

Dimension and Parameters

Bearing NO.
New :NU3188
Old :3032788
Boundary dimensions(mm)
d :440
D :720
B :226
r 1.2min :6
r3、4min :6
Fw :508
Ew :
Basic load ratings(kN)
Cr :4750
Cor :9800
Limiting speed(rpm)
Grease :700
Oil :850
Abutment and fillet dimensions(mm)
da min :
db min :480
Da max :700
Db max :
ra max :5
rb max :5
Weight (kg)
Refer :374
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