NK21/12

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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 :NK21/12

Original Code :

Shaft Diameter（mm） :21

Weight(Kg) :

Boundary Dimensions(mm)

Fw :21

D :29

C :12

Basic Load Rating(N)

Dynamic :

Static :

Limiting Speed(rpm)

Oil :

Whatapp

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