| Name | Value |
|---|---|
| Bearing number | S71904 ACE/P4A |
| Size (mm) | 20x37x9 |
| Brand | MBY |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 37 |
| Width (mm) | 9 |
| Name | Value |
|---|---|
| d | 20 mm |
| D | 37 mm |
| B | 9 mm |
| d1 | 25.65 mm |
| d2 | 24.4 mm |
| D2 | 33.5 mm |
| r1,2 | min. - 0.3 mm |
| r3,4 | min. - 0.15 mm |
| a | 11.6 mm |
| da | min. - 22 mm |
| da | max. - 25.3 mm |
| db | min. - 22 mm |
| db | max. - 24 mm |
| Da | max. - 35 mm |
| Db | max. - 36.2 mm |
| ra | max. - 0.3 mm |
| rb | max. - 0.15 mm |
| Basic dynamic load rating | C - 4.7 kN |
| Basic static load rating | C0 - 2.3 kN |
| Fatigue load limit | Pu - 0.098 kN |
| Limiting speed for grease lubrication | 52000 r/min |
| Ball | Dw - 4.762 mm |
| Ball | z - 14 |
| 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 - 42 N |
| Preload class B | GB - 130 N |
| Preload class C | GC - 250 N |
| Calculation factor | f - 1.04 |
| Calculation factor | f1 - 0.99 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.04 |
| Calculation factor | f2C - 1.07 |
| Calculation factor | fHC - 1 |
| Preload class A | 47 N/micron |
| Preload class B | 69 N/micron |
| Preload class C | 88 N/micron |
| Mass bearing | 0.035 kg |
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