Part Number | 
                            
                              d - Bore | 
                            
                              D - Outer Diameter | 
                            
                              B - Width | 
                           
                            
                              Bearing Type |  
                          
|---|---|---|---|---|
| WBB1-8707-2Z | 7 mm | 13 mm | 4 mm | Deep groove ball bearing | 
| 607 | 7 mm | 19 mm | 6 mm | Deep groove ball bearing | 
| 627 | 7 mm | 22 mm | 7 mm | Deep groove ball bearing | 
| W 628/7-2Z | 7 mm | 14 mm | 5 mm | Deep groove ball bearing | 
| 607-2Z | 7 mm | 19 mm | 6 mm | Deep groove ball bearing | 
| W 637-2RS1 | 7 mm | 26 mm | 9 mm | Deep groove ball bearing | 
| W 607-2RZ | 7 mm | 19 mm | 6 mm | Deep groove ball bearing | 
| W 628/7 R-2Z | 7 mm | 14 mm | 5 mm | Deep groove ball bearing | 
| 619/7-2Z | 7 mm | 17 mm | 5 mm | Deep groove ball bearing | 
| 627-RSL | 7 mm | 22 mm | 7 mm | Deep groove ball bearing | 
| 627-RSH | 7 mm | 22 mm | 7 mm | Deep groove ball bearing | 
| 607-Z | 7 mm | 19 mm | 6 mm | Deep groove ball bearing | 
| 627-Z | 7 mm | 22 mm | 7 mm | Deep groove ball bearing | 
| D/W R1810 R | 7.938 mm | 12.7 mm | 3.967 mm | Deep groove ball bearing | 
| D/W RW1810 R-2ZS | 7.938 mm | 12.7 mm | 4.762 mm | Deep groove ball bearing | 
| D/W R1810 R-2ZS | 7.938 mm | 12.7 mm | 3.967 mm | Deep groove ball bearing | 
| D/W R1810 | 7.938 mm | 12.7 mm | 3.967 mm | Deep groove ball bearing | 
| D/W RW1810 | 7.938 mm | 12.7 mm | 4.762 mm | Deep groove ball bearing | 
| D/W RW1810-2ZS | 7.938 mm | 12.7 mm | 4.762 mm | Deep groove ball bearing | 
| D/W R1810-2ZS | 7.938 mm | 12.7 mm | 3.967 mm | Deep groove ball bearing |