NK25/30

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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 :NK25/30

Original Code :644804K

Shaft Diameter（mm） :25

Weight(Kg) :63

Boundary Dimensions(mm)

Fw :25

D :33

C :30

Basic Load Rating(N)

Dynamic :18800

Static :30500

Limiting Speed(rpm)

Oil :165000

NK25/30

Description

Dimension and Parameters

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