Cam follower (stud-type track roller), with axial guidance, full complement cylindrical roller set, crowned OD, with labyrinth seals, NUKR40-A;NUCF18R-AB;MCFD40B
| D | 40 mm | Outside diameter | 
| d | 18 mm | Stud diameter | 
| B | 58 mm | Overall width | 
| C | 20 mm | Outer ring width | 
| B1 | 36.5 mm | Length shank on stud | 
| B2 | 8 mm | Distance lubrication hole to flange ring | 
| C1 | 0.8 mm | Distance face outer ring to face thrust washer | 
| d1 | 22 mm | Outside diameter flange ring | 
| G | M18 x 1.5 | Thread stud | 
| G1 | 19 mm | Thread length | 
| M | 6 mm | Seat diameter for lubrication accessories | 
| M1 | 3 mm | Diameter of lubrication hole (shank) | 
| SW | 8 mm | Width across flats | 
| r min | 1 mm | Chamfer dimension outer ring | 
| C | 18.4 kN | Basic dynamic load rating | 
| C0 | 22.6 kN | Basic static load rating | 
| Pu | 2.5 kN | Fatigue load limit | 
| Fr | 13.1 kN | Maximum dynamic radial load | 
| F0r | 22.6 kN | Maximum static radial load | 
| nD G | 4500 r/min | Limiting speed | 
| ≈m | 0.24 kg | Weight | 
| Crowned | Outer ring profile | |
| Full complement roller | Roller guide | |
| Centric | Stud type | |
| Labyrinth | 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 | |
| M18 x 1.5 | Hexagonal nut | |
| AP 8 | Lubrication adapter | |
| 87 Nm | Recommended tightening torque | 
| -30ºC to + 120ºC | Temperature range °C | |
| -22ºF to + 250ºF | Temperature range °F | 
| INA・SKF・CR | IKO | THK | NTN | KOYO | McGill | FAG | 
| NUKR40 |     NUCF18BR |     NUCF 18R-AB |     NUKR40H/3AS |     NUKR40.2SK |     MCFD40B |     NUKR40.2SK |