| Bore diameter | d | 20 | mm |
| Width | B | 9 | mm |
| Basic static load rating, radial | C0r | 3,200 | |
| Limiting speed for grease lubrication | nG Grease | 43,000 |
| Outside diameter | D | 37 | mm |
| Basic dynamic load rating, radial | Cr | 7,400 | |
| Fatigue load limit, radial | Cur | 340 | N |
| Limiting speed for oil lubrication | nG Oil | 63,000 |
| Diameter shaft shoulder | da | 24 | mm |
| Shoulder diameter outer ring | Da | 33.50 | mm |
| Maximum recess radius | ra max | 0.15 | mm |
| Maximum diameter injection pitch | Etk max | 27.10 | mm |
| Diameter shaft shoulder clearance | da | h12 | |
| Shoulder diameter outer ring clearance | Da | H12 | |
| Minimum diameter injection pitch | Etk min | 26 | mm |
| Distance between the apexes of the pressure cones | a | 8.30 | mm |
| Minimum chamfer dimension | rmin | 0.30 | mm |
| Contact angle | α | 15 | ° |
| Manufacturer | Part Number |
|---|---|
| Marlin-Rockwell Corp. | 1904RDS-BKE#7 |
| SKF | 71904-CX-GA/P4A (SKF) |
| SKF | 71904 CD-GA/P4A (SKF) |
| Koyo | 7904CPAGLFTP4 |
| SNFA | SEB20-7CE1-UL |
| Fafnir | 2MM9304WI-CRUL |
| Koyo | 7904CGLFGP4 |
| RHP | 7904CTRSULP3 |
| RHP | 7904CTRSULP4 |
| RHP | 7904CTSULP4 |
| GMN | S61904CTAP4UL |
