Design of Bearings · Machine Design · GATE ME

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Marks 1

GATE ME 2016 Set 3
Which of the bearings given below SHOULD NOT be subjected to a thrust load?
GATE ME 2014 Set 4
Ball bearings are rated by a manufacturer for a life of $${10^6}$$ revolutions. The catalogue rating of a particular bearing is $$16$$ $$kN.$$ If th...
GATE ME 2005
Which one of the following is criterion in the design of hydrodynamic journal bearings?
GATE ME 1998
The basic load rating of a ball bearing is
GATE ME 1997
To restore stable operating condition in a hydrodynamic journal bearing, when it encounters higher magnitude loads.
GATE ME 1996
In thick film hydrodynamic journal bearings, the coefficient of friction
GATE ME 1992
Spherical roller bearings are normally used
GATE ME 1992
Starting friction is low in
GATE ME 1991
Match the roling element bearings with the most appropriate loading condition Bearing - type (a)$$\,\,\,\,\,\,$$ Ball bearing (b)$$\,\,\,\,\,\,$$ Ro...
GATE ME 1988
If the load on a ball bearing is reduced to half, the life of the ball bearing will
GATE ME 1987
The expected life of a ball bearing subjected to a load of $$9800N$$ and working at $$1000RPM$$ is $$3000$$ hours. What is the expected life of the sa...

Marks 2

GATE ME 2015 Set 3
For ball bearings, the fatigue life $$L$$ measured in number of revolutions and the radial load $$F$$ are related by $$F{L^{1/3}} = K,$$ where $$K$$ i...
GATE ME 2014 Set 1
A hydrodynamic journal bearing is subject to $$2000$$ $$N$$ load at a rotational speed of $$2000$$ $$rpm.$$ Both bearing bore diameter and length are ...
GATE ME 2011
Two identical ball bearings $$P$$ and $$Q$$ are operating at loads $$30kN$$ and $$45kN$$ respectively. The ratio of the life of bearing $$P$$ to the l...
GATE ME 2008
A journal bearing has a shaft diameter of $$40mm$$ and a length of $$40mm.$$ The shaft is rotating at $$20$$ $$rad/s$$ and viscocity of the lubricant ...
GATE ME 2007
A ball bearing operating at a load $$F$$ has $$8000$$hours of life. The life of the bearing, in hours, when the load is doubled to $$2F$$ is
GATE ME 2007
A natural feed journal bearing of diameter $$50mm$$ and length $$50mm$$ operating at $$20$$ revolutions/sec carries a load of $$2kN$$. The lubricant u...
GATE ME 2000
The life of a ball bearing at a load of $$10$$ $$kN$$ is $$8000$$ hours. Its life in hours, if the load is increased to $$20$$ $$kN,$$ keeping all oth...
GATE ME 1997
The dynamic load capacity of $$6306$$ bearing is $$22KN.$$ The maximum radial load it can sustain to operate at $$600$$ $$rev/min,$$ for $$2000$$ hour...
GATE ME 1997
Match the following List - $${\rm I}$$ (a)$$\,\,\,\,\,$$ Automobile wheel mounting on axle (b)$$\,\,\,\,\,$$ High speed grinding spindle (c)$$\,\,\,...
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