Reliability of Bearing given Number of Bearings Solution

STEP 0: Pre-Calculation Summary
Formula Used
Reliability of Bearing = Reliability of Bearing System^(1/Number of Bearings)
R = Rs^(1/Nb)
This formula uses 3 Variables
Variables Used
Reliability of Bearing - Reliability of bearing is the minimum percentage probability of 90% of a group of identical bearings system achieving their L10 design life expectancy.
Reliability of Bearing System - Reliability of bearing system is the minimum percentage probability of 90% of a group of identical bearings system achieving their L10 design life expectancy.
Number of Bearings - Number of Bearings Value is defined as the number of bearings in a bearing system.
STEP 1: Convert Input(s) to Base Unit
Reliability of Bearing System: 0.65 --> No Conversion Required
Number of Bearings: 4 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
R = Rs^(1/Nb) --> 0.65^(1/4)
Evaluating ... ...
R = 0.897900760011848
STEP 3: Convert Result to Output's Unit
0.897900760011848 --> No Conversion Required
FINAL ANSWER
0.897900760011848 0.897901 <-- Reliability of Bearing
(Calculation completed in 00.004 seconds)

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Created by Vaibhav Malani
National Institute of Technology (NIT), Tiruchirapalli
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Radial Load on Bearing given Race Rotation Factor
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Race Rotation Factor of Roller Contact Bearing
​ LaTeX ​ Go Race-Rotation Factor = (Equivalent Dynamic Load on Bearing-(Thrust Factor for Bearing*Axial or Thrust Load Acting on Bearing))/(Radial Factor*Radial Load Acting on Bearing)
Axial Thrust Load on Bearing given Race Rotation Factor
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Reliability of Bearing given Number of Bearings Formula

​LaTeX ​Go
Reliability of Bearing = Reliability of Bearing System^(1/Number of Bearings)
R = Rs^(1/Nb)

What is a rolling contact bearing?

The term rolling contact bearings refers to the wide variety of bearings that use spherical balls or some other type of roller between the stationary and the moving elements. The most common type of bearing supports a rotating shaft, resisting purely radial loads or a combination of radial and axial (thrust) loads.

How to Calculate Reliability of Bearing given Number of Bearings?

Reliability of Bearing given Number of Bearings calculator uses Reliability of Bearing = Reliability of Bearing System^(1/Number of Bearings) to calculate the Reliability of Bearing, Reliability of Bearing given Number of Bearings is defined as "for a group of apparently identical rolling bearings, operating under the same conditions, the percentage of the group that is expected to attain or exceed a specified life". Reliability of Bearing is denoted by R symbol.

How to calculate Reliability of Bearing given Number of Bearings using this online calculator? To use this online calculator for Reliability of Bearing given Number of Bearings, enter Reliability of Bearing System (Rs) & Number of Bearings (Nb) and hit the calculate button. Here is how the Reliability of Bearing given Number of Bearings calculation can be explained with given input values -> 0.897901 = 0.65^(1/4).

FAQ

What is Reliability of Bearing given Number of Bearings?
Reliability of Bearing given Number of Bearings is defined as "for a group of apparently identical rolling bearings, operating under the same conditions, the percentage of the group that is expected to attain or exceed a specified life" and is represented as R = Rs^(1/Nb) or Reliability of Bearing = Reliability of Bearing System^(1/Number of Bearings). Reliability of bearing system is the minimum percentage probability of 90% of a group of identical bearings system achieving their L10 design life expectancy & Number of Bearings Value is defined as the number of bearings in a bearing system.
How to calculate Reliability of Bearing given Number of Bearings?
Reliability of Bearing given Number of Bearings is defined as "for a group of apparently identical rolling bearings, operating under the same conditions, the percentage of the group that is expected to attain or exceed a specified life" is calculated using Reliability of Bearing = Reliability of Bearing System^(1/Number of Bearings). To calculate Reliability of Bearing given Number of Bearings, you need Reliability of Bearing System (Rs) & Number of Bearings (Nb). With our tool, you need to enter the respective value for Reliability of Bearing System & Number of Bearings and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Reliability of Bearing?
In this formula, Reliability of Bearing uses Reliability of Bearing System & Number of Bearings. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Reliability of Bearing = e^(-(Corresponding Life of Bearing/Constant a of Bearing)^Constant b of Bearing)
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