Who is WRT?

A professional large & extra-large bearing factory | manufacturer in China 

WRT is the brand of Wafangdian Ruitong Bearing Manufacturing Co., Ltd.  WRT China Bearing Factory has consistently elevated its manufacturing capability and is now recognized as one of the leading Bearing Manufacturer of components and high-grade finished bearings in China. 

WRT mainly supply large and extra-large bearings (O.D. from 100mm to 2500mm), our technical and manufacturing expertise have led into regular exports order in normal bearings & industrial bearings, and other Special Bearings as per Samples & Drawings.  For more information, pls see our detailed Products

We believe that honesty is the best policy and emphasize on customer first. WRT has been expanding customer to more than 20 countries and has been reliable suppliers for some large industrial company in the world, serving to improve performance in virtually every motion product by pioneering innovation and understanding the leading technologies of tomorrow.

 
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Home arrow Products arrow Cylindrical Roller Bearings arrow Four-Row Cylindrical Roller Bearings

Four-Row Cylindrical Roller Bearings PDF Print E-mail

WRT is one of professional four-row cylindrical roller bearings factory | manufacturer in China 

Cylindrical Roller Bearing belongs to separable bearings, it is convenient to mount and dismount. they can be grouped into single-row, double-row, four-row series. Subject to the different rib, there are N, NU, NJ, NF an NUP series. It can accommodate mainly radial load, some single-directional bidirectional axial load owing to the structure of rib. Double row cylindrical roller bearings NN and NNU series own the compact configuration, strong rigidity and high loading capacity; most are used on machine tool spindles. FC, FCD and FCDP four-row cylindrical roller bearings series can endure big axial load and are mainly used on heavy machines for example rolling mills. Cylindrical roller bearings are mostly used on kinds of industrial machines .such as motors, machine tool spindles, oil machine, rolling mills, loading and moving machine

china bearingsMore bearings…

Principal DimensionsBasic Load RatingsLimiting SpeedsWtBearing Number
dDBFWCrCorGreaseOil   
mm KNr/minkgNewOld
10013580110200510340040003FC202780 
 13880110260600340040003.7FC202880 
 14070111190410340040003.5FC202870672820K
 140104111290700340040005.lFC2028104672820
 14570113220460340040004.1FC202970672720
 150106113350740340040006.8FC2030106 
11015080122240600310038004.4FC223080 
 17090127360750280036007.9FC223490672722K
 170120127360750800360010.6FC2234120672722
12018092137375820260034008.7FC243692 
 180105136430920260034009.8FC2436105672724
 18012013648010602600340011.2FC2436120 
13020010415048010002400300012.5FC2640104 
 20012514953011402400300015 672726
1401901191544701250240030009.5FC2838119 
 21010015850011002200280012.8FC2842100 
 21010615850011002200280013.6FC2842106 
 21012515862013602200280015.87FC2842125 
 21015515876017702200280019.6FC2842155 
 21015516672015602200280017.5FC2942155 
14522515616980019402000260024.4FC2945156 
 21012016660015002200280012.5FC3042120 
15021012016660015002200280012.5FCD3042120 
 22012016763013602100270015FC3044120 
 22512016979015602000260017.3SFC3045120 
 2251201697251590