NK45/20

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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 :NK45/20

Original Code :644808

Shaft Diameter（mm） :45

Weight(Kg) :81.5

Boundary Dimensions(mm)

Fw :45

D :55

C :20

Basic Load Rating(N)

Dynamic :19800

Static :46500

Limiting Speed(rpm)

Oil :7650

NK45/20

Description

Dimension and Parameters

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