Komatsu BACK REST Size Chart (mm/inches) |
|---|
| Bearing number | PFT 17 FM |
| Bore Diameter (mm) | 17 |
| d | 17 mm |
| Da | 49 mm |
| A1 | 2 mm |
| B1 | 28,6 mm |
| G | 6 mm |
| H | 81 mm |
| H1 | – mm |
| J | 63 mm |
| L | 59 mm |
| N | 7,1 mm |
| T | 24,1 mm |
| A2 | 7 mm |
| Weight | 0,19 Kg |
| Basic dynamic load rating (C) | 9,56 kN |
| Basic static load rating (C0) | 4,75 kN |
| Housing material | Pressed steel |
| Da min. | 44 mm |
| A1 | 2 mm |
| A2 | 7 mm |
| B1 | 28.6 mm |
| B4 | 4.75 mm |
| s1 | 22.6 mm |
| Basic dynamic load rating C | 9.56 kN |
| Basic static load rating C0 | 4.75 kN |
| Fatigue load limit Pu | 0.2 kN |
| Limiting speed | 9500 r/min |
| Mass bearing unit | 0.18 kg |
| Thread grub screw G2 | M6x0.75 |
| Hexagonal key size for grub screw N | 3 mm |
| Recommended tightening torque for grub screw | 4 N·m |
| Recommended diameter for attachment bolts, mm G | 6 mm |
| Recommended diameter for attachment bolts, inch G | 0.25 in |