BK4512

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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 :BK4512

Original Code :25941/45

Shaft Diameter（mm） :45

Weight(Kg) :45

Boundary Dimensions(mm)

Fw :45

D :52

C :12

Basic Load Rating(N)

Dynamic :12900

Static :22500

Limiting Speed(rpm)

Oil :5800

BK4512

Description

Dimension and Parameters

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