Site search

Select Language

Top of page
Bearing Service life

Bearing Service life

Bearing service life is calculated here in consideration of rating life or lubrication conditions.

Import Saved conditions

Selected Bearing

Bearing Types: Cylindrical roller bearings Single-row NN Tapered type

Bearing No.: NN3044K Products detail

Boundary dimensions: 220 x 340 x 90 mm

Dynamic load rating: 944 kN

Static load rating: 1370 kN

Change bearing

Operating conditions

Basic rating life Service life calculation in consideration of factor aISO

Required service life: (h)

Reliability coefficient a1

Required safety coefficient

Contamination coefficient eC

Viscosity during operation: (㎜²/s)

Extreme pressure additives: Not added Added

Step 1

Radial load: kN

Axial load: kN

Rotational frequency: min^-1

Operating ratio: %

Step 2

Radial load: kN

Axial load: kN

Rotational frequency: min^-1

Operating ratio: %

Step 3

Radial load: kN

Axial load: kN

Rotational frequency: min^-1

Operating ratio: %

Step 4

Radial load: kN

Axial load: kN

Rotational frequency: min^-1

Operating ratio: %

Step 5

Radial load: kN

Axial load: kN

Rotational frequency: min^-1

Operating ratio: %

Step 6

Radial load: kN

Axial load: kN

Rotational frequency: min^-1

Operating ratio: %

Step 7

Radial load: kN

Axial load: kN

Rotational frequency: min^-1

Operating ratio: %

Step 8

Radial load: kN

Axial load: kN

Rotational frequency: min^-1

Operating ratio: %

Step 9

Radial load: kN

Axial load: kN

Rotational frequency: min^-1

Operating ratio: %

Step 10

Radial load: kN

Axial load: kN

Rotational frequency: min^-1

Operating ratio: %

Back to calculation conditions

For those who have trouble selecting bearings

If you are not sure what bearing to choose,if you want to change to a more suitable bearing,Please contact JTEKT .

Return to top of page

Industrial Bearings

List of product types

Search by field

Download Catalogs

Automotive Aftermarket

Service Parts for Automotive

Bearing for Road Bike

ONI BEARINGS

Portable status monitoring device

Bearing Defender

Technical information

Knowledge
/support

Global Network

Click here for
JTEKT corporate site

Bearing Service life

Selected Bearing