| Fit diameter of roller stud / stud | d1 | 12 | mm |
| Speed on permanent grease lubrication | nD G | 5,500 | |
| Basic static load rating, radial | C0r | 8,700 | |
| Width of the roller stud | B | 40 | mm |
| Outside diameter | D | 30 | mm |
| Fatigue load limit, radial | Cur | 1,240 | |
| Basic dynamic load rating, radial | Cr | 6,800 |
| Radius of outer ring outside profile | R | 500 | mm |
| Thread length | IG | 13 | mm |
| Diameter lubrication hole | ds | 3 | mm |
| Minimum chamfer dimension | rmin | 0.60 | mm |
| Width, outer ring | C | 14 | mm |
| Bolt/stud length effectively | B2 | 25 | mm |
| Width of flats | W | 6 | mm |
| Thread | M12X1,5 | ||
| Stop diameter of thrust washer | d2 | 23 | mm |
| Protrusion outer ring to thrust washer | C1 | 0.60 | mm |
| Distance to lubrication hole | Ca | 6 | mm |
| Maximum witdh of thrust washer | B1 | 15.20 | mm |
| Manufacturer | Part Number |
|---|---|
| NTN | KR30 H (NTN) |
| IKO | CF12-BR (IKO) |
| IKO | CF12-R (IKO) |
| Jalman Precision | CF12R |
| Misumi | CUA12-30 |
| NSK | FCJ-30R |
| NSK | FCJB-30R |
| Koyo | KM12RM |
| NTN | KR30 (NTN) |
| SKF | KR30 |
| SKF | KR30-B (SKF) |
| Torrington | FCJLC-30 |
| McGill Manufacturing | MCFR-30 |
| McGill Manufacturing | MCFR-30-B |
