Bearing Pressure on Crank Pin Bush Calculator

✖Force on Crank Pin Bearing is the force acting onto the bearing used in the assembly of crank pin, crank, and the connecting rod.ⓘ Force on Crank Pin Bearing [P_c]			+10% -10%
✖Inner Diameter of Bush on Crank Pin is the internal diameter of the bush used in between the crank pin and the crank pin bearing.ⓘ Inner Diameter of Bush on Crank Pin [d_cp]			+10% -10%
✖Length of Bush on Crank Pin is the length of the bush used in between the crank pin and the crank pin bearing.ⓘ Length of Bush on Crank Pin [l_c]			+10% -10%

✖Bearing Pressure of CrankPin Bush is the bearing pressure at the crank pin bearing of the big end of the connecting rod.ⓘ Bearing Pressure on Crank Pin Bush [p_b]

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Bearing Pressure on Crank Pin Bush Solution

STEP 0: Pre-Calculation Summary

Formula Used

Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin)
p_b = P_c/(d_cp*l_c)
This formula uses 4 Variables

Variables Used

Bearing Pressure of CrankPin Bush - (Measured in Pascal) - Bearing Pressure of CrankPin Bush is the bearing pressure at the crank pin bearing of the big end of the connecting rod.
Force on Crank Pin Bearing - (Measured in Newton) - Force on Crank Pin Bearing is the force acting onto the bearing used in the assembly of crank pin, crank, and the connecting rod.
Inner Diameter of Bush on Crank Pin - (Measured in Meter) - Inner Diameter of Bush on Crank Pin is the internal diameter of the bush used in between the crank pin and the crank pin bearing.
Length of Bush on Crank Pin - (Measured in Meter) - Length of Bush on Crank Pin is the length of the bush used in between the crank pin and the crank pin bearing.

STEP 1: Convert Input(s) to Base Unit

Force on Crank Pin Bearing: 28800 Newton --> 28800 Newton No Conversion Required
Inner Diameter of Bush on Crank Pin: 55.8 Millimeter --> 0.0558 Meter (Check conversion here)
Length of Bush on Crank Pin: 75.8 Millimeter --> 0.0758 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

p_b = P_c/(d_cp*l_c) --> 28800/(0.0558*0.0758)

Evaluating ... ...

p_b = 6809090.13533066

STEP 3: Convert Result to Output's Unit

6809090.13533066 Pascal -->6.80909013533067 Newton per Square Millimeter (Check conversion here)

FINAL ANSWER

6.80909013533067 ≈ 6.80909 Newton per Square Millimeter <-- Bearing Pressure of CrankPin Bush

(Calculation completed in 00.022 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Connecting Rod » Mechanical » Big and Small End Bearing » Bearing Pressure on Crank Pin Bush

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Created by Saurabh Patil

Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore

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National Institute Of Technology (NIT), Hamirpur

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< Big and Small End Bearing Calculators

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Maximum Height of Connecting Rod at Small End

LaTeX Go Height of Connecting Rod Section at Small End = 0.9*Height of Connecting Rod at Mid Section

Minimum Height of Connecting Rod at Big End

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Maximum Height of Connecting Rod at Big End

LaTeX Go Height of Connecting Rod Section = 1.25*Height of Connecting Rod at Mid Section

Bearing Pressure on Crank Pin Bush Formula

LaTeX Go

Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin)
p_b = P_c/(d_cp*l_c)

Crank Pin for Different Engines

In a single-cylinder engine, straight engine, or flat engine, each crankpin normally serves just one cylinder. This results in a relatively simple design and it is the cheapest to produce. Most V engines have each pair of cylinders sharing a crankpin. This usually requires an offset between the cylinders in each bank, resulting in a simple connecting rod design. If a cylinder offset is not used, then the connecting rods must be articulated or forked at the big end. Forked connecting rods are mainly used in V-twin motorcycle engines, but in the past were found on a number of automobile and aero engines, such as the Rolls-Royce Merlin aero engine of the WWII era. Radial engines use a more complicated version of articulated connecting rods, where a single "master" connecting rod is attached to the single crankpin (one for each row in multi-row designs), and smaller bearings for each of the corresponding cylinders machined into the big end of the master rod.

How to Calculate Bearing Pressure on Crank Pin Bush?

Bearing Pressure on Crank Pin Bush calculator uses Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin) to calculate the Bearing Pressure of CrankPin Bush, Bearing pressure on crank pin bush is the compressive force acting on the contact area between crank pin and the bush having no relative motion between them. Bearing Pressure of CrankPin Bush is denoted by p_b symbol.

How to calculate Bearing Pressure on Crank Pin Bush using this online calculator? To use this online calculator for Bearing Pressure on Crank Pin Bush, enter Force on Crank Pin Bearing (P_c), Inner Diameter of Bush on Crank Pin (d_cp) & Length of Bush on Crank Pin (l_c) and hit the calculate button. Here is how the Bearing Pressure on Crank Pin Bush calculation can be explained with given input values -> 6.8E-6 = 28800/(0.0558*0.0758).

FAQ

What is Bearing Pressure on Crank Pin Bush?

Bearing pressure on crank pin bush is the compressive force acting on the contact area between crank pin and the bush having no relative motion between them and is represented as p_b = P_c/(d_cp*l_c) or Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin). Force on Crank Pin Bearing is the force acting onto the bearing used in the assembly of crank pin, crank, and the connecting rod, Inner Diameter of Bush on Crank Pin is the internal diameter of the bush used in between the crank pin and the crank pin bearing & Length of Bush on Crank Pin is the length of the bush used in between the crank pin and the crank pin bearing.

How to calculate Bearing Pressure on Crank Pin Bush?

Bearing pressure on crank pin bush is the compressive force acting on the contact area between crank pin and the bush having no relative motion between them is calculated using Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin). To calculate Bearing Pressure on Crank Pin Bush, you need Force on Crank Pin Bearing (P_c), Inner Diameter of Bush on Crank Pin (d_cp) & Length of Bush on Crank Pin (l_c). With our tool, you need to enter the respective value for Force on Crank Pin Bearing, Inner Diameter of Bush on Crank Pin & Length of Bush on Crank Pin 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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