Pit & Quarry, November 2012

Whats eligible Although repair offers many benefits it is not always the best option for a damaged bearing The challenge of properly utilizing bearing repair services is determining if and when bearings need to be repaired and deciding which option is the best economical and long term solution Depending on the repair facility limitations exist on the minimum and maximum size of bearings and product types that can be repaired There are many different types of repair suppliers ranging from small facilities limited in their scope of work and knowledge to large bearing manufacturers with an unlimited range of products and services The scope of work also limits the size of bearing that can be repaired All bearing types are eligible for repair regardless of the original manufacturer including tapered roller bearings spherical roller A quality bearing repair program can result in significant savings compared to discarding and purchasing new bearings In addition the lead time for repair is substantially less than that of a new bearing bearings cylindrical roller bearings ball bearings cross roller bearings and thrust bearings which include slew rings up to 120 in A critical step in any bearing repair program is to recognize potential problems through regular monitoring and inspection Careful review of the output will help to identify the need for repair such as The bearing is nearing or has exceeded its suggested life expectancy Operating temperatures have exceeded 200 degrees PIT SToP Exposure to excessive vibration Sudden changes in lubrication and temperatures Excessive operating audible sounds Bearing seal integrity loss Properly trained and experienced personnel involved in routine inspections serve as the first line in deciding if a bearing needs repair Early detection of a problem through routine checks preventive and predictive maintenance and vibration analysis can reduce unnecessary downtime and expense and help to capitalize on the capabilities and benefits of bearing repair The remanufacturing process Once a product is returned to a repair service center all bearings undergo a thorough cleaning process Next the bearing is disassembled During disassembly trained repair technicians will record the bearing information as well as actual internal clearances and Italvibras Industrial Electric and Mechanical Vibrators Engineering that delivers innovation with performance and reliability Since 1959 LA R G EST I N V E N T O R Y DI R E CT T O Y O U 3 Y E A R W A R R A N T Y Italvibras USA 1940 Vans Way Princeton IL 61356 phone 815 872 1350 fax 866 337 2693 www italvibrasusa com www pitandquarry com November 2012 PIT QUARRY 37