Single Row Cylindrical Roller Bearings

NU30/670

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 :NU30/670
Old :30321/670
Boundary dimensions(mm)
d :670
D :980
B :230
r 1.2min :7.5
r3、4min :7.5
Fw :744
Ew :914
Basic load ratings(kN)
Cr :6420
Cor :12100
Limiting speed(rpm)
Grease :430
Oil :500
Abutment and fillet dimensions(mm)
da min :
db min :703
Da max :947
Db max :
ra max :6
rb max :6
Weight (kg)
Refer :600
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