Single Row Cylindrical Roller Bearings

NU321EM

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 :NU321EM
Old :32321EH
Boundary dimensions(mm)
d :105
D :225
B :49
r 1.2min :3
r3、4min :3
Fw :133
Ew :
Basic load ratings(kN)
Cr :420
Cor :550
Limiting speed(rpm)
Grease :2200
Oil :2800
Abutment and fillet dimensions(mm)
da min :
db min :121
Da max :212
Db max :
ra max :2.5
rb max :2.5
Weight (kg)
Refer :10.6
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