Part Number | 
                            
                              d - Bore | 
                            
                              D - Outer Diameter |  
                             
                              B - thickness |  
                            
                              Type | 
                          
|---|---|---|---|---|
| BT4-8126 E1/C575 | - | 562 mm | 381 mm | - | 
| NATV 8 | - | 24 mm | 15 mm | - | 
| BT4-8161 E8/C500 | - | 546.1 mm | 288.925 mm | - | 
| NATV 10 | - | 30 mm | 15 mm | - | 
| BT4B 334093 G/HA1VA901 | - | 546.1 mm | 330 mm | - | 
| BT4B 334092 AG/HA1 | - | 546.1 mm | 330 mm | - | 
| NATV 10 PPA | - | 30 mm | 15 mm | - | 
| BT4-8161 E81/C500 | - | 546.1 mm | 288.925 mm | - | 
| NATR 10 X | - | 30 mm | 15 mm | - | 
| BT4-8166 E8/C350 | - | 546.1 mm | 334.962 mm | - | 
| BT4B 329004 E1/C575 | - | 546.1 mm | 334.962 mm | - | 
| BT4B 329004 G/HA1VA901 | - | 546.1 mm | 334.962 mm | - | 
| NATR 10 PPXA | - | 30 mm | 15 mm | - | 
| BT4B 331333 E/C575 | - | 546.1 mm | 334.962 mm | - | 
| NATR 10 PPA | - | 30 mm | 15 mm | - | 
| BT4-8166 E81/C350 | - | 546.1 mm | 334.962 mm | - | 
| NATR 10 | - | 30 mm | 15 mm | - | 
| BT4B 329004 BG/HA1VA901 | - | 546.1 mm | 334.962 mm | - | 
| BT4B 331333 BG/HA1 | - | 546.1 mm | 334.962 mm | - | 
| NATV 10 PPXA | - | 30 mm | 15 mm | - |