Cam follower (stud-type track roller), with axial guidance, with cage, crowned OD, hex socket, KR47-A;CF20-1BR;CF20-1R-AB
| D | 47 mm | Outside diameter |
| d | 20 mm | Stud diameter |
| B | 66 mm | Overall width |
| C | 24 mm | Outer ring width |
| B1 | 40.5 mm | Length shank on stud |
| B2 | 9 mm | Distance lubrication hole to flange ring |
| C1 | 0.8 mm | Distance face outer ring to face thrust washer |
| d1 | 36.5 mm | Outside diameter flange ring |
| G | M20 x 1.5 | Thread stud |
| G1 | 21 mm | Thread length |
| M | 8 mm | Seat diameter for lubrication accessories |
| M1 | 4 mm | Diameter of lubrication hole (shank) |
| SW | 10 mm | Width across flats |
| r min | 1 mm | Chamfer dimension outer ring |
| C | 19.5 kN | Basic dynamic load rating |
| C0 | 32 kN | Basic static load rating |
| Pu | 3 kN | Fatigue load limit |
| Fr | 15.5 kN | Maximum dynamic radial load |
| F0r | 25.5 kN | Maximum static radial load |
| nD G | 2400 r/min | Limiting speed |
| ≈m | 0.39 kg | Weight |
| Crowned | Outer ring profile | |
| Cage | Roller guide | |
| Centric | Stud type | |
| Gap type | 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 A2x7.5 | Grease fitting | |
| M20 x 1.5 | Hexagonal nut | |
| 120 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 |
| KR47-A | CF20-1BR | CF20-1R-AB | KR47H | FCJB-47R | KM20RHM | MCFR-47-B | MCR-47-B |
