Bearing 61838 ISB 61838 ISB bearing Size Chart (mm/inches) |
|---|
| Bearing number | 71920 CD/HCP4AH1 |
| Size (mm) | 140x100x20 |
| Bore Diameter (mm) | 140 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 20 |
| d | 100 mm |
| D | 140 mm |
| B | 20 mm |
| d1 | 112.3 mm |
| d2 | 112.3 mm |
| D1 | 127.7 mm |
| K | 0.5 mm |
| C1 | 5.46 mm |
| r1,2 - min. | 1.1 mm |
| r3,4 - min. | 0.6 mm |
| a | 26.1 mm |
| da - min. | 106 mm |
| db - min. | 106 mm |
| Da - max. | 134 mm |
| Db - max. | 136 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| dn | 115.6 mm |
| Basic dynamic load rating - C | 60.5 kN |
| Basic static load rating - C0 | 65.5 kN |
| Fatigue load limit - Pu | 2.6 kN |
| Limiting speed for grease lubrication | 11000 r/min |
| Limiting speed for oil lubrication | 17000 mm/min |
| Ball - Dw | 12.7 mm |
| Ball - z | 26 |
| Gref | 10.5 cm3 |
| Calculation factor - f0 | 16.3 |
| Preload class A - GA | 230 N |
| Preload class B - GB | 460 N |
| Preload class C - GC | 920 N |
| Preload class D - GD | 1840 N |
| Calculation factor - f | 1.23 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.07 |
| Calculation factor - f2C | 1.12 |
| Calculation factor - f2D | 1.18 |
| Calculation factor - fHC | 1.04 |
| Preload class A | 119 N/micron |
| Preload class B | 164 N/micron |
| Preload class C | 232 N/micron |
| Preload class D | 340 N/micron |
| d1 | 112.3 mm |
| d2 | 112.3 mm |
| D1 | 127.7 mm |
| C1 | 5.46 mm |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 106 mm |
| db min. | 106 mm |
| Da max. | 134 mm |
| Db max. | 136 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| dn | 115.6 mm |
| Basic dynamic load rating C | 60.5 kN |
| Basic static load rating C0 | 65.5 kN |
| Fatigue load limit Pu | 2.55 kN |
| Attainable speed for grease lubrication | 11000 r/min |
| Attainable speed for oil-air lubrication | 17000 r/min |
| Ball diameter Dw | 12.7 mm |
| Number of balls z | 26 |
| Reference grease quantity Gref | 10.5 cm³ |
| Preload class A GA | 230 N |
| Static axial stiffness, preload class A | 119 N/µm |
| Preload class B GB | 460 N |
| Static axial stiffness, preload class B | 164 N/µm |
| Preload class C GC | 920 N |
| Static axial stiffness, preload class C | 232 N/µm |
| Preload class D GD | 1840 N |
| Static axial stiffness, preload class D | 340 N/µm |
| Calculation factor f | 1.23 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.07 |
| Calculation factor f2C | 1.12 |
| Calculation factor f2D | 1.18 |
| Calculation factor fHC | 1.04 |
| Calculation factor f0 | 16.3 |
| Mass bearing | 0.67 kg |