HK4020

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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 :HK4020

Original Code :67941/40

Shaft Diameter（mm） :40

Weight(Kg) :51.8

Boundary Dimensions(mm)

Fw :40

D :47

C :20

Basic Load Rating(N)

Dynamic :25500

Static :52000

Limiting Speed(rpm)

Oil :6300

HK4020

Description

Dimension and Parameters

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