Friction Moment on Roller Contact Bearing Formula

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Friction moment on bearing is the moment acting onto the bearing races due to the friction between their rotating surfaces. Check FAQs
Mt=μW(d2)
Mt - Friction Moment on Bearing?μ - Coefficient of Friction for Bearing?W - Load Acting on Bearing?d - Bore Diameter of Bearing?

Friction Moment on Roller Contact Bearing Example

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With units
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Here is how the Friction Moment on Roller Contact Bearing equation looks like with Values.

Here is how the Friction Moment on Roller Contact Bearing equation looks like with Units.

Here is how the Friction Moment on Roller Contact Bearing equation looks like.

116.1Edit=0.0043Edit1800Edit(30Edit2)
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Friction Moment on Roller Contact Bearing Solution

Follow our step by step solution on how to calculate Friction Moment on Roller Contact Bearing?

FIRST Step Consider the formula
Mt=μW(d2)
Next Step Substitute values of Variables
Mt=0.00431800N(30mm2)
Next Step Convert Units
Mt=0.00431800N(0.03m2)
Next Step Prepare to Evaluate
Mt=0.00431800(0.032)
Next Step Evaluate
Mt=0.1161N*m
LAST Step Convert to Output's Unit
Mt=116.1N*mm

Friction Moment on Roller Contact Bearing Formula Elements

Variables
Friction Moment on Bearing
Friction moment on bearing is the moment acting onto the bearing races due to the friction between their rotating surfaces.
Symbol: Mt
Measurement: TorqueUnit: N*mm
Note: Value should be greater than 0.
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.
Symbol: μ
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.
Load Acting on Bearing
Load acting on bearing is the force acting onto the bearing.
Symbol: W
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Bore Diameter of Bearing
Bore Diameter of bearing is the inner diameter of a bearing, referred to as inner diameter.
Symbol: d
Measurement: LengthUnit: mm
Note: Value should be greater than 0.

Other formulas in Rolling Contact Bearing Configuration category

​Go Radial Load on Bearing given Race Rotation Factor
Fr=Peq-(YFa)XV
​Go Axial Thrust Load on Bearing given Race Rotation Factor
Fa=Peq-(XVFr)Y
​Go Race Rotation Factor of Roller Contact Bearing
V=Peq-(YFa)XFr
​Go Radial Factor of Roller Contact Bearing given Race Rotation Factor
X=Peq-(YFa)VFr

How to Evaluate Friction Moment on Roller Contact Bearing?

Friction Moment on Roller Contact Bearing evaluator uses Friction Moment on Bearing = Coefficient of Friction for Bearing*Load Acting on Bearing*(Bore Diameter of Bearing/2) to evaluate the Friction Moment on Bearing, Friction Moment on Roller Contact Bearing is the moment acting onto the bearing as a result of the friction between the bearing surface. Friction Moment on Bearing is denoted by Mt symbol.

How to evaluate Friction Moment on Roller Contact Bearing using this online evaluator? To use this online evaluator for Friction Moment on Roller Contact Bearing, enter Coefficient of Friction for Bearing (μ), Load Acting on Bearing (W) & Bore Diameter of Bearing (d) and hit the calculate button.

FAQs on Friction Moment on Roller Contact Bearing

What is the formula to find Friction Moment on Roller Contact Bearing?
The formula of Friction Moment on Roller Contact Bearing is expressed as Friction Moment on Bearing = Coefficient of Friction for Bearing*Load Acting on Bearing*(Bore Diameter of Bearing/2). Here is an example- 116100 = 0.0043*1800*(0.03/2).
How to calculate Friction Moment on Roller Contact Bearing?
With Coefficient of Friction for Bearing (μ), Load Acting on Bearing (W) & Bore Diameter of Bearing (d) we can find Friction Moment on Roller Contact Bearing using the formula - Friction Moment on Bearing = Coefficient of Friction for Bearing*Load Acting on Bearing*(Bore Diameter of Bearing/2).
Can the Friction Moment on Roller Contact Bearing be negative?
No, the Friction Moment on Roller Contact Bearing, measured in Torque cannot be negative.
Which unit is used to measure Friction Moment on Roller Contact Bearing?
Friction Moment on Roller Contact Bearing is usually measured using the Newton Millimeter[N*mm] for Torque. Newton Meter[N*mm], Newton Centimeter[N*mm], Kilonewton Meter[N*mm] are the few other units in which Friction Moment on Roller Contact Bearing can be measured.
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