Bore Diameter of Bearing Calculator

✖Friction moment on bearing is the moment acting onto the bearing races due to the friction between their rotating surfaces.ⓘ Friction moment on bearing [M_t]			+10% -10%
✖Coefficient of friction for bearing is the ratio defining the force that resists the motion of the oil in relation to another body in contact with it.ⓘ Coefficient of friction for bearing [μ]			+10% -10%
✖Load acting on bearing is the force acting onto the bearing.ⓘ Load Acting on Bearing [W]			+10% -10%

✖Bore Diameter of bearing is the inner diameter of a bearing, referred to as inner diameter.ⓘ Bore Diameter of Bearing [d]

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Formula

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Bore Diameter of Bearing

Formula

`"d" = 2*"M"_{"t"}/("μ"*"W")`

Example

`"31.00775mm"=2*"120N*mm"/("0.0043"*"1800N")`

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Bore Diameter of Bearing Solution

STEP 0: Pre-Calculation Summary

Formula Used

Bore Diameter of bearing = 2*Friction moment on bearing/(Coefficient of friction for bearing*Load Acting on Bearing)
d = 2*M_t/(μ*W)
This formula uses 4 Variables

Variables Used

Bore Diameter of bearing - (Measured in Meter) - Bore Diameter of bearing is the inner diameter of a bearing, referred to as inner diameter.
Friction moment on bearing - (Measured in Newton Meter) - Friction moment on bearing is the moment acting onto the bearing races due to the friction between their rotating surfaces.
Coefficient of friction for bearing - Coefficient of friction for bearing is the ratio defining the force that resists the motion of the oil in relation to another body in contact with it.
Load Acting on Bearing - (Measured in Newton) - Load acting on bearing is the force acting onto the bearing.

STEP 1: Convert Input(s) to Base Unit

Friction moment on bearing: 120 Newton Millimeter --> 0.12 Newton Meter (Check conversion here)
Coefficient of friction for bearing: 0.0043 --> No Conversion Required
Load Acting on Bearing: 1800 Newton --> 1800 Newton No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

d = 2*M_t/(μ*W) --> 2*0.12/(0.0043*1800)

Evaluating ... ...

d = 0.0310077519379845

STEP 3: Convert Result to Output's Unit

0.0310077519379845 Meter -->31.0077519379845 Millimeter (Check conversion here)

FINAL ANSWER

31.0077519379845 ≈ 31.00775 Millimeter <-- Bore Diameter of bearing

(Calculation completed in 00.020 seconds)

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Home » Engineering » Mechanical » Machine Design » Design of Rolling Contact Bearing » Rolling Contact Bearing Configuration » Bore Diameter of Bearing

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Created by Vaibhav Malani

National Institute of Technology (NIT), Tiruchirapalli

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Verified by Anshika Arya

National Institute Of Technology (NIT), Hamirpur

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< 21 Rolling Contact Bearing Configuration Calculators

Radial Factor of Roller Contact Bearing given Race Rotation Factor

Go Radial Factor = (Equivalent dynamic load on bearing-(Thrust Factor for Bearing*Axial or thrust load acting on bearing))/(Race-rotation factor*Radial load acting on bearing)

Radial Load on Bearing given Race Rotation Factor

Go Radial load acting on bearing = (Equivalent dynamic load on bearing-(Thrust Factor for Bearing*Axial or thrust load acting on bearing))/(Radial Factor*Race-rotation factor)

Race Rotation Factor of Roller Contact Bearing

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

Go Axial or thrust load acting on bearing = (Equivalent dynamic load on bearing-(Radial Factor*Race-rotation factor*Radial load acting on bearing))/Thrust Factor for Bearing

Thrust factor of Bearing given Race Rotation Factor

Go Thrust Factor for Bearing = (Equivalent dynamic load on bearing-(Radial Factor*Race-rotation factor*Radial load acting on bearing))/Axial or thrust load acting on bearing

Radial Factor of Roller Contact Bearing

Go Radial Factor = (Equivalent dynamic load on bearing-(Thrust Factor for Bearing*Axial or thrust load acting on bearing))/(Radial load acting on bearing)

Radial Load on Bearing

Go Radial load acting on bearing = (Equivalent dynamic load on bearing-(Thrust Factor for Bearing*Axial or thrust load acting on bearing))/(Radial Factor)

Axial Thrust Load on Bearing given Thrust Factor

Go Axial or thrust load acting on bearing = (Equivalent dynamic load on bearing-(Radial Factor*Radial load acting on bearing))/Thrust Factor for Bearing

Thrust factor of Bearing

Go Thrust Factor for Bearing = (Equivalent dynamic load on bearing-(Radial Factor*Radial load acting on bearing))/Axial or thrust load acting on bearing

Number of Bearings required given Reliability

Go Number of Bearings = (log10(Reliability of Bearing System))/(log10(Reliability of Bearing))

Load on Bearing given Moment on bearing

Go Load Acting on Bearing = Friction moment on bearing/(Coefficient of friction for bearing*(Bore Diameter of bearing/2))

Coefficient of Friction of Roller Contact Bearing

Go Coefficient of friction for bearing = 2*Friction moment on bearing/(Bore Diameter of bearing*Load Acting on Bearing)

Friction Moment on Roller Contact Bearing

Go Friction moment on bearing = Coefficient of friction for bearing*Load Acting on Bearing*(Bore Diameter of bearing/2)

Bore Diameter of Bearing

Go Bore Diameter of bearing = 2*Friction moment on bearing/(Coefficient of friction for bearing*Load Acting on Bearing)

Reliability of Bearing

Go Reliability of Bearing = e^(-(Corresponding Life of Bearing/Constant a of Bearing)^Constant b of Bearing)

Train Wheel Diameter considering Bearing Life

Go Train Wheel Diameter = (1000/(pi*Rated Bearing Life))*Nominal Life in Millions of Kilometers

Nominal Life of Roller Contact Bearing

Go Nominal Life in Millions of Kilometers = Rated Bearing Life/(1000/(pi*Train Wheel Diameter))

Speed of Rotation of Bearing

Go Speed of bearing in rpm = Rated Bearing Life*(10^6)/(60*Rated Bearing Life in Hours)

Reliability of Bearing given Number of Bearings

Go Reliability of Bearing = Reliability of Bearing System^(1/Number of Bearings)

Reliability of Complete Bearing System

Go Reliability of Bearing System = Reliability of Bearing^Number of Bearings

Median Life of Roller Contact Bearing

Go Median Life of Bearing = 5*Rated Bearing Life

Bore Diameter of Bearing Formula

Bore Diameter of bearing = 2*Friction moment on bearing/(Coefficient of friction for bearing*Load Acting on Bearing)
d = 2*M_t/(μ*W)

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 Bore Diameter of Bearing?

Bore Diameter of Bearing calculator uses Bore Diameter of bearing = 2*Friction moment on bearing/(Coefficient of friction for bearing*Load Acting on Bearing) to calculate the Bore Diameter of bearing, Bore Diameter of Bearing is the diameter of the inner race of the bearing. This surface touches the shaft onto which the bearing is mounted. Bore Diameter of bearing is denoted by d symbol.

How to calculate Bore Diameter of Bearing using this online calculator? To use this online calculator for Bore Diameter of Bearing, enter Friction moment on bearing (M_t), Coefficient of friction for bearing (μ) & Load Acting on Bearing (W) and hit the calculate button. Here is how the Bore Diameter of Bearing calculation can be explained with given input values -> 31007.75 = 2*0.12/(0.0043*1800).

FAQ

What is Bore Diameter of Bearing?

Bore Diameter of Bearing is the diameter of the inner race of the bearing. This surface touches the shaft onto which the bearing is mounted and is represented as d = 2*M_t/(μ*W) or Bore Diameter of bearing = 2*Friction moment on bearing/(Coefficient of friction for bearing*Load Acting on Bearing). Friction moment on bearing is the moment acting onto the bearing races due to the friction between their rotating surfaces, Coefficient of friction for bearing is the ratio defining the force that resists the motion of the oil in relation to another body in contact with it & Load acting on bearing is the force acting onto the bearing.

How to calculate Bore Diameter of Bearing?

Bore Diameter of Bearing is the diameter of the inner race of the bearing. This surface touches the shaft onto which the bearing is mounted is calculated using Bore Diameter of bearing = 2*Friction moment on bearing/(Coefficient of friction for bearing*Load Acting on Bearing). To calculate Bore Diameter of Bearing, you need Friction moment on bearing (M_t), Coefficient of friction for bearing (μ) & Load Acting on Bearing (W). With our tool, you need to enter the respective value for Friction moment on bearing, Coefficient of friction for bearing & Load Acting on Bearing 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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