
                              Part Number | 
                            
                              d - Bore | 
                            
                              D - Outer Diameter | 
                            
                              B - Width | 
                            
                              Cr - Dynamic Radial Rating | 
                            
                              Cor - Static Radial Rating | 
                            
                              Reference speed | 
                            
                              Limiting speed | 
                          
|---|---|---|---|---|---|---|---|
| NA 2203.2RSX | 17 mm | 40 mm | 16 mm | 9.52 N | 13.2 N | - | - | 
| NA 2203.2RS | 17 mm | 40 mm | 16 mm | 9.52 N | 13.2 N | - | - | 
| STO 17 | 17 mm | 40 mm | 16 mm | 14.2 N | 17.6 N | - | - | 
| STO 17 X | 17 mm | 40 mm | 16 mm | 14.2 N | 17.6 N | - | - | 
| STO 20 X | 20 mm | 47 mm | 16 mm | 16.1 N | 21.2 N | - | - | 
| NA 2204.2RS | 20 mm | 47 mm | 18 mm | 16.1 N | 18 N | - | - | 
| STO 20 | 20 mm | 47 mm | 16 mm | 16.1 N | 21.2 N | - | - | 
| NA 2204.2RSX | 20 mm | 47 mm | 18 mm | 16.1 N | 18 N | - | - | 
| NA 2205.2RSX | 25 mm | 52 mm | 18 mm | 16.8 N | 20 N | - | - | 
| NA 2205.2RS | 25 mm | 52 mm | 18 mm | 16.8 N | 20 N | - | - | 
| STO 25 | 25 mm | 52 mm | 16 mm | 16.5 N | 22.8 N | - | - | 
| STO 25 X | 25 mm | 52 mm | 16 mm | 16.5 N | 22.8 N | - | - | 
| STO 30 X | 30 mm | 62 mm | 20 mm | 22.9 N | 34.5 N | - | - | 
| NA 2206.2RS | 30 mm | 62 mm | 20 mm | 17.9 N | 25.5 N | - | - | 
| NA 2206.2RSX | 30 mm | 62 mm | 20 mm | 17.9 N | 25.5 N | - | - | 
| STO 30 | 30 mm | 62 mm | 20 mm | 22.9 N | 34.5 N | - | - | 
| NA 2207.2RS | 35 mm | 72 mm | 23 mm | 22.4 N | 35.5 N | - | - | 
| STO 35 X | 35 mm | 72 mm | 20 mm | 24.6 N | 39 N | - | - | 
| NA 2207.2RSX | 35 mm | 72 mm | 23 mm | 22.4 N | 35.5 N | - | - | 
| STO 35 | 35 mm | 72 mm | 20 mm | 24.6 N | 39 N | - | - |