Komatsu 198-60-32240 rod Size Chart (mm/inches) |
|---|
| Bearing number | 71801 CD/HCP4 |
| Size (mm) | 21x12x5 |
| Bore Diameter (mm) | 21 |
| Outer Diameter (mm) | 12 |
| Width (mm) | 5 |
| d | 12 mm |
| D | 21 mm |
| B | 5 mm |
| d1 | 15.1 mm |
| d2 | 15.1 mm |
| D1 | 18.1 mm |
| r1,2 - min. | 0.3 mm |
| r3,4 - min. | 0.15 mm |
| a | 4.7 mm |
| da - min. | 14 mm |
| db - min. | 14 mm |
| Da - max. | 19 mm |
| Db - max. | 20.2 mm |
| ra - max. | 0.3 mm |
| rb - max. | 0.15 mm |
| dn | 15.4 mm |
| Basic dynamic load rating - C | 2.1 kN |
| Basic static load rating - C0 | 1.2 kN |
| Fatigue load limit - Pu | 0.05 kN |
| Limiting speed for grease lubrication | 85000 r/min |
| Limiting speed for oil lubrication | 130000 mm/min |
| Ball - Dw | 2.381 mm |
| Ball - z | 14 |
| Gref | 0.07 cm3 |
| Calculation factor - f0 | 15.4 |
| Preload class A - GA | 11 N |
| Preload class B - GB | 33 N |
| Preload class C - GC | 66 N |
| Calculation factor - f | 1.06 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.1 |
| Calculation factor - f2C | 1.18 |
| Calculation factor - fHC | 1.02 |
| Preload class A | 17 N/micron |
| Preload class B | 28 N/micron |
| Preload class C | 41 N/micron |
| d1 | 15.1 mm |
| d2 | 15.1 mm |
| D1 | 18.1 mm |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.15 mm |
| da min. | 14 mm |
| db min. | 14 mm |
| Da max. | 19 mm |
| Db max. | 20.2 mm |
| ra max. | 0.3 mm |
| rb max. | 0.15 mm |
| dn | 15.4 mm |
| Basic dynamic load rating C | 2.08 kN |
| Basic static load rating C0 | 1.18 kN |
| Fatigue load limit Pu | 0.05 kN |
| Attainable speed for grease lubrication | 85000 r/min |
| Attainable speed for oil-air lubrication | 130000 r/min |
| Ball diameter Dw | 2.381 mm |
| Number of balls z | 14 |
| Reference grease quantity Gref | 0.07 cm³ |
| Preload class A GA | 11 N |
| Static axial stiffness, preload class A | 17 N/µm |
| Preload class B GB | 33 N |
| Static axial stiffness, preload class B | 28 N/µm |
| Preload class C GC | 66 N |
| Static axial stiffness, preload class C | 41 N/µm |
| Calculation factor f | 1.06 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.1 |
| Calculation factor f2C | 1.18 |
| Calculation factor fHC | 1.02 |
| Calculation factor f0 | 15.4 |
| Mass bearing | 0.006 kg |