RNA4909

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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

Without IR :RNA4909

Weight :163

With IR :-

Shaft Diameter（mm） :-

Weight(Kg) :52

Boundary Dimensions(mm)

d :-

Fw :52

D :68

C :-

B :22

Basic Load Rating(N)

Dynamic :37000

Static :69500

Limiting Speed(rpm)

Oil :7600

RNA4909

Description

Dimension and Parameters

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