| Name | Value |
|---|---|
| Bearing number | 71910 ACE/HCP4AH1 |
| Size (mm) | 50x72x12 |
| Brand | MBY |
| Bore Diameter (mm) | 50 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 12 |
| Name | Value |
|---|---|
| d | 50 mm |
| D | 72 mm |
| B | 12 mm |
| d1 | 56.7 mm |
| d2 | 54.9 mm |
| D1 | 65.3 mm |
| K | 0.5 mm |
| C1 | 3.53 mm |
| r1,2 | min. - 0.6 mm |
| r3,4 | min. - 0.3 mm |
| a | 21.2 mm |
| da | min. - 53.2 mm |
| db | min. - 52 mm |
| Da | max. - 68.8 mm |
| Db | max. - 70 mm |
| ra | max. - 0.6 mm |
| rb | max. - 0.3 mm |
| dn | 58.4 mm |
| Basic dynamic load rating | C - 12.1 kN |
| Basic static load rating | C0 - 8.2 kN |
| Fatigue load limit | Pu - 0.345 kN |
| Limiting speed for grease lubrication | 28000 r/min |
| Limiting speed for oil lubrication | 43000 mm/min |
| Ball | Dw - 7.144 mm |
| Ball | z - 21 |
| Gref | 1.7 cm3 |
| 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 - 110 N |
| Preload class B | GB - 330 N |
| Preload class C | GC - 660 N |
| Calculation factor | f - 1.15 |
| Calculation factor | f1 - 0.98 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.04 |
| Calculation factor | f2C - 1.08 |
| Calculation factor | fHC - 1.01 |
| Preload class A | 107 N/micron |
| Preload class B | 161 N/micron |
| Preload class C | 211 N/micron |
| Mass bearing | 0.111 kg |
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