Part Number | 
                            
                              d - Bore | 
                            
                              D - Outer Diameter |  
                             
                              B - thickness |  
                            
                              Type | 
                          
|---|---|---|---|---|
| PWTR 20.2RS | - | 47 mm | 25 mm | - | 
| BT4B 329007/HA1 | - | 660 mm | 450 mm | - | 
| NATV 20 PPA | - | 47 mm | 25 mm | - | 
| 330886 B | - | 679.45 mm | 495.3 mm | - | 
| NATR 20 | - | 47 mm | 25 mm | - | 
| BT4B 334116 G/HA1VA901 | - | 679.45 mm | 495.3 mm | - | 
| BT4-8062 G/HA1VA901 | - | 615.95 mm | 420 mm | - | 
| NATR 20 PPA | - | 47 mm | 25 mm | - | 
| BT4-8163 E81/C725 | - | 615.95 mm | 330.2 mm | - | 
| BT4B 334072 G/HA1VA901 | - | 615.95 mm | 419.1 mm | - | 
| NATV 25 PPA | - | 52 mm | 25 mm | - | 
| NATR 25 X | - | 52 mm | 25 mm | - | 
| BT4B 328223 G/HA1VA901 | - | 615.95 mm | 406.4 mm | - | 
| BT4B 328773 G/HA1 | - | 630 mm | 420 mm | - | 
| NATV 25 | - | 52 mm | 25 mm | - | 
| BT4B 331259 BG/HA1C325 | - | 647.7 mm | 417.512 mm | - | 
| BT4-8163 E8/C725 | - | 615.95 mm | 330.2 mm | - | 
| NATV 25 PPXA | - | 52 mm | 25 mm | - | 
| NUTR 25 A | - | 52 mm | 25 mm | - | 
| 330641 E/C725 | - | 615.95 mm | 330.2 mm | - |