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Heat Resistant Ball Bearings

15 January 2013

With its Asset Improvement Programme (AIP), NSK helps customers find the ideal bearings for their application.

Machine operators often seek NSK’s advice about specific problems – which is what happened in the case of a food tin manufacturer which found shielded deep-groove ball bearings in a continuous furnace had an average service life of just 15 days.

Specialists from NSK assessed the bearings’ operating environment and established that the furnace had a maximum temperature of around 300 ̊C. The bearings themselves reached a temperature of 120 ̊C, higher than the maximum temperature specified for conven- tional deep-groove ball bearings. The experts also discovered that the ambient air in the furnace was contaminated by particles of lacquer. NSK recommended the use of heat- stabilised bearings which are suitable for temperatures of up to 200 ̊C.

 
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