• NK Series
  • NK Series

Description

Needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The modified roller/raceway profile prevents stress peaks to extend bearing service life.

Dimension and Parameters

Bearing Designation
Current Code :NK30/20
Original Code :644805
Shaft Diameter(mm) :30
Weight(Kg) :57.9
Boundary Dimensions(mm)
Fw :30
D :40
C :20
Basic Load Rating(N)
Dynamic :20600
Static :32000
Limiting Speed(rpm)
Oil :15000