Part Number | 
                            
                              d - Bore | 
                            
                              D - Outer Diameter |  
                             
                              B - thickness |  
                            
                              Type | 
                          
|---|---|---|---|---|
| NATR 12 PPXA | - | 32 mm | 15 mm | - | 
| BT4B 331333 E/C575 | - | 546.151 mm | 334.962 mm | - | 
| BT4B 334130 G/HA1VA903 | - | 574 mm | 440 mm | - | 
| NATV 12 | - | 32 mm | 15 mm | - | 
| NATV 12 PPA | - | 32 mm | 15 mm | - | 
| NATR 12 X | - | 32 mm | 15 mm | - | 
| NATR 12 PPA | - | 32 mm | 15 mm | - | 
| BT4B 328374/HA1 | - | 620 mm | 355 mm | - | 
| NATR 12 | - | 32 mm | 15 mm | - | 
| BT4B 328826 G/HA1 | - | 560 mm | 437 mm | - | 
| NATV 12 PPXA | - | 32 mm | 15 mm | - | 
| BT4B 334095 G/HA4VA901 | - | 575 mm | 380 mm | - | 
| BT4B 331226/HA1 | - | 571.5 mm | 336.55 mm | - | 
| 331125 A | - | 571.5 mm | 279.4 mm | - | 
| NATR 15 PPXA | - | 35 mm | 19 mm | - | 
| BT4-8170 E81/C550 | - | 571.5 mm | 336.55 mm | - | 
| NATV 15 | - | 35 mm | 19 mm | - | 
| BT4-8169 E81/C450 | - | 571.5 mm | 279.4 mm | - | 
| NATR 15 X | - | 35 mm | 19 mm | - | 
| NATV 15 PPA | - | 35 mm | 19 mm | - |