Bearing Service life

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

Selected Bearing

Bearing Types
Angular contact ball bearings Single-row With pressed cage
Bearing No.
7210 Products detail
Boundary dimensions
50 x 90 x 20 mm
Dynamic load rating
51.6 kN
Static load rating
31.5 kN

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
%

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
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)