|   | 
      
        
        
          Part No.   | 
          Grade  | 
            Dimensions in Inches   | 
            Approximate  
          Weight/Lbs.   | 
         
        
          |   Outer Diameter   | 
            Inner Diameter   | 
            Thickness   | 
         
        
          | CR552282  | 
          5   | 
          0.550   | 
          0.228   | 
          0.200   | 
          0.0071   | 
         
        
          | CR551209078  | 
          8   | 
          0.551   | 
          0.197   | 
          0.078   | 
          0.0029   | 
         
        
          | CR551209098  | 
          8   | 
          0.551   | 
          0.197   | 
          0.098   | 
          0.0037   | 
         
        
          | CR012300  | 
          5   | 
          1.235   | 
          0.374   | 
          0.182   | 
          0.0356   | 
         
        
          | CR039401  | 
          5   | 
          3.940   | 
          1.970   | 
          0.322   | 
          0.5300   | 
         
        
          | CR10N  | 
          8   | 
          0.689   | 
          0.296   | 
          0.118   | 
          0.0065   | 
         
        
          | CR74RMX  | 
          5   | 
          0.745   | 
          0.250   | 
          0.392   | 
          0.0270   | 
         
        
          | CR75  | 
          1   | 
          0.750   | 
          0.250   | 
          0.250   | 
          0.0170   | 
         
        
          | CR75N  | 
          1   | 
          0.750   | 
          0.250   | 
          0.250   | 
          0.0170   | 
         
        
          | CR106  | 
          1   | 
          1.060   | 
          0.216   | 
          0.125   | 
          0.0190   | 
         
        
          | CR120  | 
          1   | 
          1.125   | 
          0.750   | 
          0.125   | 
          0.0120   | 
         
        
          | CR119811  | 
          1   | 
          1.181   | 
          0.983   | 
          0.115   | 
          0.0065   | 
         
        
          | CR145  | 
          5   | 
          1.250   | 
          0.375   | 
          0.187   | 
          0.0370   | 
         
        
          | CR154  | 
          5   | 
          1.550   | 
          0.882   | 
          0.224   | 
          0.0514   | 
         
        
          | CR175  | 
          5   | 
          1.750   | 
          0.875   | 
          0.225   | 
          0.0710   | 
         
        
          | CR162  | 
          1   | 
          1.750   | 
          1.280   | 
          0.250   | 
          0.0467   | 
         
        
          | CR45  | 
          5   | 
          1.770   | 
          0.866   | 
          0.314   | 
          0.1030   | 
         
        
          | CR250N  | 
          5   | 
          2.360   | 
          1.140   | 
          0.331   | 
          0.1998   | 
         
        
          | CR238128  | 
          5   | 
          2.380   | 
          1.000   | 
          0.280   | 
          0.1850   | 
         
        
          | CR280  | 
          5   | 
          2.800   | 
          1.203   | 
          0.330   | 
          0.2900   | 
         
        
          | CR337A  | 
          5   | 
          3.376   | 
          1.280   | 
          0.425   | 
          0.5700   | 
         
        
          | CR337C  | 
          5   | 
          3.376   | 
          1.280   | 
          0.850   | 
          1.1400   | 
         
        
          | CR454A  | 
          5   | 
          4.540   | 
          1.750   | 
          0.400   | 
          0.9650   | 
         
        
          | CR525N  | 
          5   | 
          5.275   | 
          2.240   | 
          0.550   | 
          1.8110   | 
         
        
          | CR525CN  | 
          5   | 
          5.275   | 
          2.240   | 
          0.750   | 
          2.2900   | 
         
        
          | CR700R  | 
          5   | 
          7.500   | 
          3.250   | 
          0.750   | 
          4.7100   | 
         
              | 
                           Oriented through Thickness (M)
                             1 = Grade 1 ceramic  
  5 = Grade 5 ceramic  
  8 = Grade 8 ceramic (strongest ceramic material available).  
All dimensions approximate.   | 
       |