Sealmaster Helps Snack Food Manufacturer Increase Bearing Life Times Four
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Maintenance engineers at an international snack food manufacturer were dissatisfied with
the bearing life they were experiencing using graphite insert bearings
(essentially bushings) on ovens being used to bake chips. The bearings were
continually exposed to temperatures of at least 350 degrees at slow operating
speeds and were only lasting about three months, which was creating a great
deal of extra maintenance and downtime. In this food plant environment it was
critical to have a bearing design that could withstand high temperatures,
retain lubricant with minimal seal drag and that did not require frequent
relubrication for sanitation reasons.
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Kaman Industrial Technologies, the local Emerson Power Transmission distributor, was asked
for a recommendation on a maintenance free, high temperature, bearing design. Working
with the local Emerson Power Transmission representative and consulting with
Sealmaster application engineering, Kaman specified a reduced maintenance
version of an existing Sealmaster® high temperature bearing. The Sealmaster
reduced maintenance bearing design dramatically extends service life compared
to standard bearings due to a patented “tapered lands” bearing race profile.
The tapered lands feature allows for the maximum utilization of grease within
the bearing.
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Sealmaster reduced maintenance bearings are perfect for applications where bearing
lubrication is not practical or desired. This design helps achieve maximum
service life in “lubed for life” applications.
The company installed the high performance bearings in their ovens and maintenance
personnel were extremely pleased to note that the Sealmaster bearings delivered
four times the life of the previously used graphite bearings. In addition,
Kaman reported that the extended life of the Sealmaster bearings allowed them
to report a documented cost savings to their customer.
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