Single Row Cylindrical Roller Bearings

NJ221M

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 :NJ221M
Old :42221
Boundary dimensions(mm)
d :105
D :190
B :36
r 1.2min :2.1
r3、4min :2.1
Fw :126.8
Ew :
Basic load ratings(kN)
Cr :210
Cor :290
Limiting speed(rpm)
Grease :3000
Oil :3600
Abutment and fillet dimensions(mm)
da min :
db min :121
Da max :179
Db max :
ra max :2
rb max :2
Weight (kg)
Refer :4.34
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