Cam follower (stud-type track roller), with axial guidance, with cage, cylindrical OD, hex socket, KR30-X-A;CF12B;CF12-AB
| D | 30 mm | Outside diameter |
| d | 12 mm | Stud diameter |
| B | 40 mm | Overall width |
| C | 14 mm | Outer ring width |
| B1 | 25 mm | Length shank on stud |
| B2 | 6 mm | Distance lubrication hole to flange ring |
| C1 | 0.6 mm | Distance face outer ring to face thrust washer |
| d1 | 23 mm | Outside diameter flange ring |
| G | M12 x 1.5 | Thread stud |
| G1 | 13 mm | Thread length |
| M | 4 mm | Seat diameter for lubrication accessories |
| M1 | 3 mm | Diameter of lubrication hole (shank) |
| SW | 6 mm | Width across flats |
| r min | 0.6 mm | Chamfer dimension outer ring |
| C | 8.1 kN | Basic dynamic load rating |
| C0 | 9.7 kN | Basic static load rating |
| Pu | 1.07 kN | Fatigue load limit |
| Fr | 6.8 kN | Maximum dynamic radial load |
| F0r | 8.4 kN | Maximum static radial load |
| nD G | 5500 r/min | Limiting speed |
| ≈m | 0.088 kg | Weight |
| Crowned | Outer ring profile | |
| Cage | Roller guide | |
| Centric | Stud type | |
| Axial plain washer | Sealing type | |
| 52100 | 100Cr6 | Outer ring material | |
| 52100 | 100Cr6 | Roller material | |
| 20CrMo (ASTM4118, SCM420) | Stud material | |
| 52100 | 100Cr6 | Axial guidance | |
| Lithium Soap Grease NLGI #2 | Grease |
| Hex | Mouting hole | |
| NIP A1x4.5 | Grease fitting | |
| M12 x 1.5 | Hexagonal nut | |
| 22 Nm | Recommended tightening torque |
| -30ºC to + 120ºC | Temperature range °C | |
| -22ºF to + 250ºF | Temperature range °F |
| INA・SKF | IKO | THK | NTN | NSK | KOYO | McGill | Smith |
| KR30-X | CF12B | CF12-AB | KR30XH | FCJB-30 | KM12HM | MCFR-30-BX | MCR-30-BC |
