Use of this document is governed by the terms and conditions contained in @ptitudeXchange. Summary The large variety of fans can be classified in different ways. Generally, there are two categories that are based on the fan’s directions of airflow or gas moved: centrifugal fans and axial flow fans. This article, a reprint from the 1982 SKF "S-Range" handbook, covers the following areas as they relate to fans: bearing arrangements and lubrication. Guidelines for fan load calculations are adapted from the later SKF PI 113 E publication, 1987. The bearing designs and housings are subjected to change. Recommended bearing arrangements with spherical and CARB bearings are not included; see also SKF 4417 publication, "Self- Aligning Bearing Systems", 2000. Bearings for Fans Bearing Arrangements for Fans SKF_3213_E SKF 13 pages 1982 SKF Reliability Systems @ptitudeXchange 5271 Viewridge Court San Diego, CA 92123 United States tel. +1 858 496 3554 fax +1 858 496 3555 email: [email protected] Internet: www.aptitudexchange.com
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Use of this document is governed by the terms and conditions contained in @ptitudeXchange.
Summary The large variety of fans can be classified in different ways. Generally, there are two categories that are based on the fan’s directions of airflow or gas moved: centrifugal fans and axial flow fans. This article, a reprint from the 1982 SKF "S-Range" handbook, covers the following areas as they relate to fans: bearing arrangements and lubrication. Guidelines for fan load calculations are adapted from the later SKF PI 113 E publication, 1987. The bearing designs and housings are subjected to change. Recommended bearing arrangements with spherical and CARB bearings are not included; see also SKF 4417 publication, "Self-Aligning Bearing Systems", 2000.
Bearings for Fans Bearing Arrangements for Fans
SKF_3213_E SKF 13 pages 1982 SKF Reliability Systems @ptitudeXchange 5271 Viewridge Court San Diego, CA 92123 United States tel. +1 858 496 3554 fax +1 858 496 3555 email: [email protected] Internet: www.aptitudexchange.com
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 2
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 3
Note: Adapted from SKF Product Information -113 E: "Two-Bearing Units", 1987, p.7
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 4
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 5
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 6
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 7
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 8
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 9
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 10
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 11
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 12
Bearings for Fans
© 2004 SKF Reliability Systems All Rights Reserved 13
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