RBI
Appoints Director of Engineering
Michael Kenney, Vice President of RBI-USA today announced
the appointment of Michael J. Mortensen
to the position of Director of Engineering
for RBI Bearing, Inc. USA.
In his new position, Mike will coordinate all technical communication with our manufacturing facilities in China. He will also work with our customers in the development of new projects and direct the technical training programs for RBI Bearing sales personnel.
Mike brings 24 years of bearing industry experience from a major manufacturer where he was an Application Engineer, Assistant Manager of Technical Services, Manager of Product and Market Development and Product/Project Manager. He is a member of the Society of Automotive Engineers. He graduated from the University of Illinois-Chicago with a BS Manufacturing Engineering degree in 1975.
RBI Bearing, Inc was established in 1989 and is a privately owned American corporation that manufactures radial ball bearings, chain and sprockets in Chengdu and Wuxi, China. Sales and distribution centers are located in Los Angeles, Chicago and Toronto.
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What is Bearing Internal Clearance?
by Mike Mortensen - Director of Engineering RBI-USA
Editor's note: This is the first of a series of monthly articles addressing general interest technical issues that pertain to our industry.
Typically in a ball bearing there is some play when we move or wiggle the inner ring relative to the outer ring. Bearing internal clearance is the total movement or displacement of one bearing ring to the other ring. The total movement the inner and outer rings can move relative to each other in the radial direction is called radial clearance.
Similarly, the total movement the inner and outer rings can move relative to each other in the axial direction is called axial clearance. There is a relationship between radial clearance and axial clearance. Generally small changes in radial clearance can allow relatively large changes in axial clearance.
The internal clearance in a ball bearing is important to allow the bearing to freely rotate. Inadequate internal clearance may cause the bearing to become difficult to rotate, generate excessive heat during operation and reduce bearing life. Excessive internal clearance can allow excessive noise, unacceptable axial or radial play and reduce bearing life. Generally the desired internal clearance of a ball bearing should be close to zero when installed and operating in an application.
China Update
A quick look at recent news from China
China to liberalize foreign trade July 1
Trading companies in China will not need to ask governments for approval to
engage in foreign trade as of July 1...
Chinese-made cars debut in US market
An Arizona car dealer is gearing up to become the first to sell a full line of Chinese-made vehicles in the United States at Wal-Mart-style prices he hopes will lure tens of thousands of buyers...
Final
Word
35 Years later
Red Skelton's words still hit home
As
a schoolboy, one of Red Skelton's teachers explained the
words and meaning of the Pledge of Allegiance to his class.
Skelton later wrote down, and eventually recorded, his recollection
of this lecture. It is followed by an observation of his
own.
I remember
this one teacher. To me, he was the greatest teacher,
a real sage of my time. He had such wisdom. We were all
reciting the Pledge of Allegiance, and he walked over.
Mr. Lasswell was his name . . . He said: "I've been
listening to you boys and girls recite the Pledge of Allegiance
all semester and it seems as though it is becoming monotonous
to you. If I may, may I recite it and try to explain the
meaning of each word:
I
- - Me; an individual; a committee of one.
Pledge
- - Dedicate all of my worldly goods to give without self-pity.
Allegiance
- - My love and my devotion.
To
the Flag
- - Our standard; Old Glory; a symbol of Freedom; wherever
she waves there is respect, because your loyalty has given
her a dignity that shouts, Freedom is everybody's job.
United
- - That means that we have all come together.
States
- - Individual communities that have united into forty-eight
great states. Forty-eight individual communities with
pride and dignity and purpose. All divided with imaginary
boundaries, yet united to a common purpose, and that is
love for country.
And
to the Republic
- - Republic - a state in which sovereign power is invested
in representatives chosen by the people to govern. And
government is the people; and it's from the people to
the leaders, not from the leaders to the people.
For
which it stands
One
Nation
- - One Nation - meaning, so blessed by God.
Indivisible
- - Incapable of being divided.
With
Liberty
- - Which is Freedom; the right of power to live one's
own life, without threats, fear, or some sort of retaliation.
And
Justice
- - The principle, or qualities, of dealing fairly with
others.
For
All
- - For All - which means, boys and girls, it's as much
your country as it is mine.
Since
I was a small boy, two states have been added to our country,
and two words have been added to the Pledge of Allegiance:
Under God. Wouldn't it be a pity if someone said that
is a prayer, and that would be eliminated from schools,
too?
--From
the Red Skelton Hour - January 14, 1969
Have
a Safe and Happy 4th of July!
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