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          XIAMEN SMARK BEARING CO., LTD., Add: NO.52 TO 58, FANGHU WEST ROAD, HULI DISTRICT,XIAMEN CITY, CHINA P.C.: 361004 Tel: 0086-592-6780643  Fax: 0086-592-6106330 E-mail: sales@gjpbearing.com URL: Http://www.gjpbearing.com |    | 
    
      
      
      
      
      
      
   
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 The radial clerance of bearing is divided into five groups as national GB4604 standard as below:  |  
| 
    |  
| 
 Bore diameter  | 
 Group 2(C2)  | 
 Standard Group(0)  | 
 Group 3(C3)  | 
 Group 4(C4)  | 
 Group 5(C5)  |  
| 
 over  | 
 to  | 
 Min.  | 
 Max.  | 
 Min.  | 
 Max.  | 
 Min.  | 
 Max.  | 
 Min.  | 
 Max.  | 
 Min.  | 
 Max.  |  
| 
 2.5  | 
 6  | 
 0  | 
 7  | 
 2  | 
 13  | 
 8  | 
 23  | 
 -  | 
 -  | 
 -  | 
 -  |  
| 
 6  | 
 10  | 
 0  | 
 7  | 
 2  | 
 13  | 
 8  | 
 23  | 
 14  | 
 29  | 
 20  | 
 37  |  
| 
 10  | 
 18  | 
 0  | 
 9  | 
 3  | 
 18  | 
 11  | 
 25  | 
 18  | 
 33  | 
 25  | 
 45  |  
| 
 18  | 
 24  | 
 0  | 
 10  | 
 5  | 
 20  | 
 13  | 
 28  | 
 20  | 
 36  | 
 28  | 
 48  |  
| 
 24  | 
 30  | 
 1  | 
 11  | 
 5  | 
 20  | 
 13  | 
 28  | 
 23  | 
 41  | 
 30  | 
 53  |  
| 
 30  | 
 40  | 
 1  | 
 11  | 
 6  | 
 20  | 
 15  | 
 33  | 
 28  | 
 46  | 
 40  | 
 64  |  
| 
 30  | 
 50  | 
 1  | 
 11  | 
 6  | 
 23  | 
 18  | 
 36  | 
 30  | 
 51  | 
 45  | 
 73  |    
  |   
  |   
  |     |  
  |  
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