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PLAIN BEARING TECHNOLOGY

The ZOLLERN Group The ZOLLERN Group is an international company with over 3000 employees. Our fields of activity include drive systems (automation, gears and winches), plain bearing technology, mechanical engineering components, foundry technology and steel profiles. Applications Combustion engines and piston-type machines Plain bearing shells Bushings Turbocharger bearings and thrust bearings Industrial and plant engineering Energy conversion machineries Tilting pad and thick-walled bearings Housing and pedestal plain bearings Special configurations/bearing metal linings and repairs...

PLAIN BEARING TECHNOLOGY ZOLLERN plain bearings – keeping everything in motion Throughout the world ZOLLERN stands for highquality plain bearings. The international competition demands innovation, delivery reliability, product quality and excellent customer service. Variegated designs of special plain bearings and multilayer compound castings adapt to the specific market demands. A glance at our product range reveals that ZOLLERN produces suitable plain bearings for every application whether for the purpose of generating, converting and conveying energy in diesel and gas engines, gearboxes,...

COMBUSTION ENGINES AND PISTON-TYPE MACHINES 1 Plain bearing shell 2 Bushing 3 Turbocharger bearing 4 Thrust bearings Plain bearing shells Thin-walled split radial plain bearings for twostroke crosshead and four-stroke trunk piston internal combustion engines and for other piston-type machines. Generally used as main bearings, conrod bearings and crosshead bearings, and as bearings for camshafts and control shafts. One-piece radial plain bearings for the piston pins of four-stroke trunk piston internal combustion engines and crossheads, camshafts and control shafts, intermediate bearings,...

INDUSTRIAL AND PLANT ENGINEERING 1 Tilting pad and thick-walled bearings 2 Housing and pedestal plain bearings 3 Sliding elements Energy conversion machineries Hydraulic components Tilting pad and thick-walled bearings Radial/thrust bearings as tilting pad bearings for applications with high circumferential speeds or thrust loadings, or as thick-walled plain bearings with high inherent stability and special bore profiles. Principal applications are turbines, gearboxes, turbo-compressors, fans, vertical generators, electrical machines, turbochargers. Sliding elements Valve plates and holding...

COMBUSTION ENGINES AND PISTON-TYPE MACHINES Our production processes are aligned to the specific requirements of plain bearings for large diesel engines, e.g. crush height measuring, fineboring for large diameters or the electroplating processes, which are worldwide leading. Our employees in R&D, production and quality draw their know-how and expertise from years of experience in the field of plain bearing technology for combustion engines and general industrial engineering. ZOLLERN BHW customer service is available at all times. Whether to examine and evaluate a plain bearing or merely to...

1 Bearing shell consisting of steel/lead-bronze/electroplated layer, diameter 250 mm 2 Bearing shell consisting of steel/aluminium alloy, diameter 280 mm 3 Deburring of a large size bearing, diameter 940 mm 4 MAN B&W 12K98ME-C two-stroke diesel engine with main, conrod and crosshead bearings made by Plain bearing shells • designed for internal combustion engines and other piston-type machines, but also proven in other areas of general industrial machines, e.g. gearboxes and roll stands • with a ratio of wall thickness to diameter less than 0.06 • bimetal plain bearings in materials...

1 Piston pin bushing made of steel/lead-bronze, diameter 190 mm 2 Camshaft bushing made of steel/lead-bronze, diameter 210 mm 3 Guide bushing for a piston rod made of bronze/white metal, diameter 80 mm 4 Crankshaft of a piston-type compressor Bushings • for universal applications in engine and machine manufacturing, in thin- or thick-walled designs • available in various combinations of materials and dimensions from 50 to 800 mm • made of steel/lead-bronze or steel/white metal by the compound centrifugal casting method • made of steel/lead-bronze or steel/aluminium bimetal strip with welded...

1 Turbocharger radial/thrust bearing with multi-lobe profile 2 Radial turbocharger bearing 3 Crankshaft thrust washer 4 Wärtsilä W6L46 four-stroke diesel engine with piston pin and camshaft bushings main- and conrod bearings, Turbocharger bearings Thrust bearings • radial bearings for high circumferential speeds with 2-, 3- or 4-lobe profile • thrust bearings with customized taper land profile for highest specific load • also as combined radial/thrust bearings • in fixed or floating execution • predominantly made of bearing metals on a bronze base • on request with additional sliding layer...

INDUSTRIAL AND PLANT ENGINEERING Industrial bearings such as cylindrical radial plain bearings or multi-lobe or tilting pad bearings have long been traditional products of ZOLLERN BHW. The former factory in Herzberg founded in 1950 under the name of GMH started designing and producing so-called multi-lobe bearings at an early stage. The first tilting pad bearings were developed in the 1970s (when the firm was trading under the name of Glyco). ZOLLERN is also recognized as a leading manufacturer of hydrostatic plain bearings. The development of the bearing clearance compensating system and...

ENERGY CONVERSION MACHINERIES 1 Thick-walled radial/thrust bearings 2 Combined tilting pad bearing 3 Radial and axial tilting pad plain bearings 4 Steam turbine with radial tilting pad plain bearings with hydrostatic lift Thick-walled radial and radial/ thrust plain bearings Radial and thrust tilting pad plain bearings • split plain bearings for general industrial applications, e.g. gearboxes, turbines and electrical machines • thick-walled configuration ensures high thermal stability • available in standard and non-standard sizes • standard configuration in a combination of steel/white...