Site search
FAQ

Select Language

Bearing Service life

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

list_alt Import Saved conditions

Selected Bearing

Bearing Types
Tapered roller bearings Single-row Metric series
Bearing No.
30204JR Products detail
Boundary dimensions
20 x 47 x 15.25 mm
Dynamic load rating
33.8 kN
Static load rating
27.2 kN
reply Change bearing

Operating conditions

Required service lifehelp_outline
(h)
Reliability coefficient a1help_outline
Required safety coefficienthelp_outline
Contamination coefficient eChelp_outline
Viscosity during operationhelp_outline
(㎜2/s)
Extreme pressure additives

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
%
arrow_upward 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 .

Contact us
Valuable Information About Bearings
Contact Us
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
Portable status monitoring device
Technical information
Knowledge
/support
Global Network
twitterins

Click here for
JTEKT corporate site

COPYRIGHT© JTEKT Corporation. All Rights Reserved
Temperature during operationhelp_outline
Standard Greese or Oil

temperature condition(1)

temperature(1)
(℃)
Viscosity(1)
(mm2/s)

temperature condition(2)

temperature(2)
(℃)
Viscosity(2)
(mm2/s)