Coefficient of Friction in Terms of Coefficient of friction Variable Calculator

✖The Coefficient of Friction Variable is defined as the ratio of the product of radius of journal and coefficient of friction to radial clearance.ⓘ Coefficient of Friction Variable [CFV]			+10% -10%
✖Radial clearance for bearing is a measured value of the total movement of one ring relative to the other in a plane perpendicular to the bearing axis.ⓘ Radial clearance for bearing [c]			+10% -10%
✖The Radius of Journal is the radius of the journal (which rotates freely in a supporting metal sleeve or shell).ⓘ Radius of Journal [r]			+10% -10%

✖Coefficient of friction for journal bearing is the ratio defining the force that resists the motion of the oil in relation to another body in contact with it of the bearing.ⓘ Coefficient of Friction in Terms of Coefficient of friction Variable [μ_jb]

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Formula

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Coefficient of Friction in Terms of Coefficient of friction Variable

Formula

`"μ"_{"jb"} = "CFV"*"c"/"r"`

Example

`"0.003962"="4.21"*"0.024mm"/"25.5mm"`

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Coefficient of Friction in Terms of Coefficient of friction Variable Solution

STEP 0: Pre-Calculation Summary

Formula Used

Coefficient of friction for journal bearing = Coefficient of Friction Variable*Radial clearance for bearing/Radius of Journal
μ_jb = CFV*c/r
This formula uses 4 Variables

Variables Used

Coefficient of friction for journal bearing - Coefficient of friction for journal bearing is the ratio defining the force that resists the motion of the oil in relation to another body in contact with it of the bearing.
Coefficient of Friction Variable - The Coefficient of Friction Variable is defined as the ratio of the product of radius of journal and coefficient of friction to radial clearance.
Radial clearance for bearing - (Measured in Meter) - Radial clearance for bearing is a measured value of the total movement of one ring relative to the other in a plane perpendicular to the bearing axis.
Radius of Journal - (Measured in Meter) - The Radius of Journal is the radius of the journal (which rotates freely in a supporting metal sleeve or shell).

STEP 1: Convert Input(s) to Base Unit

Coefficient of Friction Variable: 4.21 --> No Conversion Required
Radial clearance for bearing: 0.024 Millimeter --> 2.4E-05 Meter (Check conversion here)
Radius of Journal: 25.5 Millimeter --> 0.0255 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

μ_jb = CFV*c/r --> 4.21*2.4E-05/0.0255

Evaluating ... ...

μ_jb = 0.00396235294117647

STEP 3: Convert Result to Output's Unit

0.00396235294117647 --> No Conversion Required

FINAL ANSWER

0.00396235294117647 ≈ 0.003962 <-- Coefficient of friction for journal bearing

(Calculation completed in 00.020 seconds)

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Home » Engineering » Mechanical » Machine Design » Design of Sliding Contact Bearing » Dimensionless Performance Parameters » Coefficient of Friction in Terms of Coefficient of friction Variable

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Created by Vaibhav Malani

National Institute of Technology (NIT), Tiruchirapalli

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National Institute Of Technology (NIT), Hamirpur

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< 9 Dimensionless Performance Parameters Calculators

Sommerfeld Number of Bearing

Go Sommerfeld Number of Journal Bearing = (((Radius of Journal/Radial clearance for bearing)^2)*Dynamic Viscosity of Lubricant*Journal Speed)/(Unit bearing pressure for bearing*2*pi)

Flow Variable in Terms of Flow of Lubricant in Clearance Space of Journal

Go Flow Variable = (2*pi*Flow of Lubricant into Clearance Space)/(Radius of Journal*Radial clearance for bearing*Journal Speed*Axial Length of Bearing)

Load Coefficient in Terms of Load Acting on Bearing

Go Load coefficient for bearing = Load Acting on Sliding Bearing/(Total Projected Area of Bearing Pad*Pressure of Lubricating Oil)

Coefficient of Friction Variable of Bearing in Terms of Coefficient of Friction

Go Coefficient of Friction Variable = Radius of Journal*Coefficient of friction for journal bearing/Radial clearance for bearing

Radial Clearance in Terms of Coefficient of Friction Variable of Bearing

Go Radial clearance for bearing = Radius of Journal*Coefficient of friction for journal bearing/Coefficient of Friction Variable

Coefficient of Friction in Terms of Coefficient of friction Variable

Go Coefficient of friction for journal bearing = Coefficient of Friction Variable*Radial clearance for bearing/Radius of Journal

Radius of Journal in Terms of Coefficient of Friction Variable

Go Radius of Journal = Coefficient of Friction Variable*Radial clearance for bearing/Coefficient of friction for journal bearing

Flow of Lubricant into Clearance of Journal given Outflow and Flow Ratio Variable

Go Flow of Lubricant = Flow Ratio Variable*Out-Flow of Lubricant

Flow Ratio Variable in Terms of Outflow of Lubricant

Go Flow Ratio Variable = Flow of Lubricant/Out-Flow of Lubricant

Coefficient of Friction in Terms of Coefficient of friction Variable Formula

Coefficient of friction for journal bearing = Coefficient of Friction Variable*Radial clearance for bearing/Radius of Journal
μ_jb = CFV*c/r

What is Sliding Contact Bearing?

The sliding contact bearings in which the sliding action is along the circumference of a circle or an arc of a circle and carrying radial loads are known as journal or sleeve bearings.

How to Calculate Coefficient of Friction in Terms of Coefficient of friction Variable?

Coefficient of Friction in Terms of Coefficient of friction Variable calculator uses Coefficient of friction for journal bearing = Coefficient of Friction Variable*Radial clearance for bearing/Radius of Journal to calculate the Coefficient of friction for journal bearing, The Coefficient of Friction in Terms of Coefficient of friction Variable formula is defined as the ratio of the product of the coefficient of friction variable and radial clearance to the radius of journal. Coefficient of friction for journal bearing is denoted by μ_jb symbol.

How to calculate Coefficient of Friction in Terms of Coefficient of friction Variable using this online calculator? To use this online calculator for Coefficient of Friction in Terms of Coefficient of friction Variable, enter Coefficient of Friction Variable (CFV), Radial clearance for bearing (c) & Radius of Journal (r) and hit the calculate button. Here is how the Coefficient of Friction in Terms of Coefficient of friction Variable calculation can be explained with given input values -> 0.003962 = 4.21*2.4E-05/0.0255.

FAQ

What is Coefficient of Friction in Terms of Coefficient of friction Variable?

The Coefficient of Friction in Terms of Coefficient of friction Variable formula is defined as the ratio of the product of the coefficient of friction variable and radial clearance to the radius of journal and is represented as μ_jb = CFV*c/r or Coefficient of friction for journal bearing = Coefficient of Friction Variable*Radial clearance for bearing/Radius of Journal. The Coefficient of Friction Variable is defined as the ratio of the product of radius of journal and coefficient of friction to radial clearance, Radial clearance for bearing is a measured value of the total movement of one ring relative to the other in a plane perpendicular to the bearing axis & The Radius of Journal is the radius of the journal (which rotates freely in a supporting metal sleeve or shell).

How to calculate Coefficient of Friction in Terms of Coefficient of friction Variable?

The Coefficient of Friction in Terms of Coefficient of friction Variable formula is defined as the ratio of the product of the coefficient of friction variable and radial clearance to the radius of journal is calculated using Coefficient of friction for journal bearing = Coefficient of Friction Variable*Radial clearance for bearing/Radius of Journal. To calculate Coefficient of Friction in Terms of Coefficient of friction Variable, you need Coefficient of Friction Variable (CFV), Radial clearance for bearing (c) & Radius of Journal (r). With our tool, you need to enter the respective value for Coefficient of Friction Variable, Radial clearance for bearing & Radius of Journal and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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