Thrust Bearing

[BEMPE16524]

Hi Guys,

I would like to know how to identify the axial load for the bearing as attached.
From the datasheet, the basic dynamic load rating is 186,000N.
Minimum axial load factor is 0.0512.

Is the axial load = 0.0512 x 186,000N?


R.Efendy

 

[Tmoose]

I bet all those answers and more are on the SKF web site.

What is the axial load your application exerts? You need to plug that into formulas that predict a life ( number of revolutions or hours) that modify the basic dynamic load.

"Is the axial load = 0.0512 x 186,000N?"
Rolling element bearings require a minimum load to prevent skidding and keep those dogies rollin' .
Usually a few percent of the basic dynamic load, depending on bearing type.
It looks for that bearing they want a minimum of ~ 5% of the basic dynamic load.

 

[BEMPE16524]

Finally i found the correct one from SKF itself:

Max Permissible axial load;

Fap max [kN] ≤ 0,0023 D^1,7 ;D[mm]



R.Efendy

 

[Tmoose]

I;m unclear what you are requiring when you ask for "maximum permissible axial load" for this cylindrical roller thrust bearing.
I do not recognize that formula. Fap max [kN] ≤ 0,0023 D1,7 ;D[mm]


D for the bearing in your first post is 125 mm.
125 ^ 1.7 = 3670
3670 X .0023 ~ 8.5 kN.

--.------------

From your first posted spec sheet the basic dynamic load, from which life calculations is derived, is 786 kN.
The fatigue load limit, which the bearing could theoretically endure forever if lubrication and cleanliness is EXCELLENT is 81.5 kN .
The basic static load rating (when rolling elements dent some mighty small amount) is 800 kN.

I'd talk to the SKF tech rep and get more familiar with bearing life calculations and bearing nomenclature.

regards,

Dan T

 

[BEMPE16524]

here is the web link for the equation:

http://www.skf.com/sg/products/bear...&WT.z_oss_boost=0&tabname=All&WT.z_oss_rank=1

R.Efendy

 

[Tmoose]

Your bearing is a Cylindrical_roller_thrust_bearing.

It is a very different animal than the " Double row and double row full complement cylindrical roller bearings with flanges on both the inner and outer rings" that the formula at your April 20 SKF link.

I'd talk to the SKF tech rep and get more familiar with bearing life calculations and bearing nomenclature.

regards,

Dan T