| Name | Value |
|---|---|
| Bearing number | S71909 ACB/P4A |
| Size (mm) | 45x68x12 |
| Brand | MBY |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 68 |
| Width (mm) | 12 |
| Name | Value |
|---|---|
| d | 45 mm |
| D | 68 mm |
| B | 12 mm |
| d1 | 53.45 mm |
| d2 | 52.4 mm |
| D2 | 61.8 mm |
| r1,2 | min. - 0.6 mm |
| r3,4 | min. - 0.3 mm |
| a | 22.1 mm |
| da | min. - 48.2 mm |
| da | max. - 52.9 mm |
| db | min. - 48.2 mm |
| db | max. - 51.8 mm |
| Da | max. - 64.8 mm |
| Db | max. - 66 mm |
| ra | max. - 0.6 mm |
| rb | max. - 0.3 mm |
| Basic dynamic load rating | C - 7 kN |
| Basic static load rating | C0 - 5.4 kN |
| Fatigue load limit | Pu - 0.232 kN |
| Limiting speed for grease lubrication | 24000 r/min |
| Ball | Dw - 4.762 mm |
| Ball | z - 27 |
| Calculation factor | e - 0.68 |
| Calculation factor | Y2 - 0.87 |
| Calculation factor | Y0 - 0.38 |
| Calculation factor | X2 - 0.41 |
| Calculation factor | Y1 - 0.92 |
| Calculation factor | Y2 - 1.41 |
| Calculation factor | Y0 - 0.76 |
| Calculation factor | X2 - 0.67 |
| Preload class A | GA - 41 N |
| Preload class B | GB - 82 N |
| Preload class C | GC - 245 N |
| Calculation factor | f - 1.08 |
| Calculation factor | f1 - 0.99 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.02 |
| Calculation factor | f2C - 1.07 |
| Calculation factor | fHC - 1 |
| Preload class A | 74 N/micron |
| Preload class B | 95 N/micron |
| Preload class C | 143 N/micron |
| Mass bearing | 0.138 kg |
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