Longer operating life for bearings

A NEW generation of large-size bearing housings being introduced to Australasia by Schaeffler is engineered to increase the life of fitted spherical roller bearings by up to 50% compared to conventional plummer block housings.

Lou Caruana

The FAG Plummer Block Housing SNS – for shafts from 115 mm to 530 mm and from 4 7/16 inch to 19 1/2 inch diameter – is designed to reduce the total cost of ownership of industrial machinery widely used in Australia and New Zealand, including machinery operating in aggressive environments.

The extended lifespan is made possible by the innovative housing design, which ensures optimum load distribution in the bearing, Schaeffler Australia industrial sector and product manager Martin Grosvenor said.

The housing also provides a very high sealing action against the ingress of contamination under extreme environmental conditions, making it suitable for use in aggressive environments commonly encountered in industry.

Different sealing variants allowing matching of the SNS to specific environments with particularly harsh contaminant and dust conditions. An axial lubrication groove in the upper section of the housing ensures optimum lubricant supply for bearings in every bearing position (for example, using FAG CONCEPT 8 compact lubrication system for grease and oil).

The design also integrates good anti-corrosion characteristics and reduced cleaning requirements, due to inclined run-off areas as well as a projecting upper housing section.

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