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Backing bearings for sendzimir mill

Backing bearings for sendzimir mill

FV backing bearings are available in many designs and variants. The main assortment is based on double or three-row cylindrical roller bearings. Single row needle roller bearing and double row tapered roller bearing designs are also available. Backing bearings have been specially developed for cold rolling mills of the cluster type, but can also be used for other applications, such as straightening or bending machines. These bearings have a particularly thick-walled outer ring and can be mounted on stationary support shafts to form backup or straightening rolls. We shows the arrangement of the backing bearings on the eight support shafts of a 20-roll mill.

Since the bearingis used as the back up roll in multi-roll mills, the outer ring is designed thicker than ordinary bearings.

Since high accuracy is required for these bearings under high pressure, they are designed to have high load rating and accu- racy.

Since several bearings are mounted on a shaft. radial runout of outer ring and variations of bearing section height per unit after assem- bly are minimized.


微信截图_20210726180943

Even if the outside surface of bearing's outer ring gets rough due to foreign matters caught in, the bearing can be used again by grinding Bearings installed on the backing shaft come in cylindrical roller bearing and long cylindrical roller bearing. Either of both type bearings is used appropriately depending on the charac- teristics of rolling mills. Above all, the cylindri cal roller bearing is most commonly used.

These bearings are commonly used for the backing shafts of multi-roll mills.


Backing bearings ( Back-up bearings )

FV backing bearings are available in many designs and variants. The main assortment is based on double or three-row cylindrical roller bearings. Single row needle roller bearing and double row tapered roller bearing designs are also available.

Backing bearings have been specially developed for cold rolling mills of the cluster type, but can also be used for other applications, such as straightening or bending machines. These bearings have a particularly thick-walled outer ring and can be mounted on stationary support shafts to form backup or straightening rolls. Pic shows the arrangement of the backing bearings on the eight support shafts of a 20-roll mill.

Sendzimir roll mill bearings, back-up bearings from WWW.FV-BEARING.COMrolling mill bearings, Roll neck bearings, Tapered roller bearings, Spherical roller bearings


A list of available bearings can be found in the following dimensions table. For any dimensions which are not on the table, please consult FV.

Sendzimir rolling mill bearing model list, - www.fv-bearing.com

Bearing dimensions table
Boundary dimensions (mm)Basic load ratings (kN)Fatigue limit load (kN)Bearing No.Bearings DesignBearing section height when manufactured (mm)Mass (kg)Amount of bearing required per millApplicable multi-roll mill type
d (Fw)DTCrr1C rCorC u

H
1)
31.7576.246.2345.850.81.512118331.506DC0846A422.2001.2740ZR34
54.99912025.99925.9991.61.699.313818.811N1226V732.46721.6924,56ZR24
5512052.197521.61.625434145.911DC1252432.4833.2740ZR24
7016090901.51.543454681.214DC1690LDS-1544.97710.140ZR33
70160.0790901.51.547566710114DC1690ADS145.00010.532,48,72ZR33
901901001003359377010918DC19100NDS549.98014.748ZR25
100225.02180801.51.575999113620DC23080DS362.47418.212(36)ZR23
100225.0211201201.51.51020144019920DC23120MDS162.47427.232ZR23
10022510010031.568383811420DC23100NDS-1562.48021.740ZR23
99.9952251201201.51.578099513520DC23120KDS-2262.47426.032,40,48ZR23
130300160159.543.51660234029726DC30160DS184.961764.840,48ZR22
130300172.644172.64443.51950290036326DC30170MDS184.95572.640,48ZR22
130300172.644172.64443.51650221027526DC30170KDS-3284.9557040,48ZR22
180406.42171.04171.04442580381045036DC41171DS1113.15513048,56ZR21
180406.42171.04171.04412390334038936DC41171ADS6113.15512448,56ZR21
180406.42171.04171.04432090296034636DC41171KDS2113.15512548ZR21
179.984406.43223.9621740.52940450051536DC41217DS+DP1113.15516140,48ZR21
179.984406.43224.25220432430353040536DC41224KDS2113.18116032,48ZR21
180406.42224.25224432860423048036DC41224QDS5113.15516240,48ZR21
Cylindrical roller bearings for work roll thrust
5011044.444.41.11.115816724.510NUP11442.33ZR22,ZR21
5012548462.01.120221328.010NUP1346/483.39ZR21
5012552525.01.122625635.010NUP13523.8ZR21















Boundary dimensions (mm)Basic load ratings (kN)Fatigue limit load (kN)Bearing No.Bearings DesignBearing section height when manufactured (mm)Mass (kg)Amount of bearing required per millApplicable multi-roll mill type
d (Fw)DTCrr1C rCorC u

H


5012080801.51.533537956.410DC1280DS934.9765.153212-Hi
5012085851.51.537942763.210DC1285DS934.9845.4032
6016095951.5249858988.312DC1695DS946.48411.520(32)
651701001002249859789.613DC17100DS952.48013.510(34)
902301001002380298213318DC23100DS969.98024.224(34)
100260959522871106014320DC2695DS979.97030.232
1002601051052297578716120DC26105DS979.97033.532
90260125125221150152019718DC26125DS984.97041.334
100260130130221190158020420DC26130DS979.97041.532
110280165165221390188025022DC28165DS884.96560.210(34)
120280165165231380194024424DC28165DS979.96557.714(38)
120350165165231710222027324DC35165ADS12114.96598.324(34)
130350175175231750230028126DC35175DS12109.96510124(38)
6215590901244552978.312DC1690DS946.4849.978(44)20-Hi
621551101101250562295.612DC16110DS846.48412.236(44)
9022095952266479511218DC2295DS964.98220.940
9022013013022873113015818DC22130ADS864.98228.732,40
115260140140321220169022523DC26140DS872.47041.940
6516570701.5253158690.113DC1770DS1149.9828.8340
90220949421.586099713818DC2294DS1164.97621.240
9022096943361870010118DC2294/96DS1065.00021.064
130300.02130129231300174021526DC30130DS985.01052.256
130300.0213012943.51340162020626DC30130BDS1085.01051.8
130300.02132129231430183023126DC30132ADS985.01053.872

Note 1) The numbers in parentheses, show necessary bearing quantities per mill. Differences in numbers in parentheses mean it is necessary to use other bearings as well.



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