| Name | Value |
|---|---|
| Bearing number | 71910 CB/HCP4A |
| 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 | 57.95 mm |
| d2 | 56.9 mm |
| D2 | 66.04 mm |
| r1,2 | min. - 0.6 mm |
| r3,4 | min. - 0.3 mm |
| a | 16.7 mm |
| da | min. - 53.2 mm |
| db | min. - 53.2 mm |
| Da | max. - 68.8 mm |
| Db | max. - 70 mm |
| ra | max. - 0.6 mm |
| rb | max. - 0.3 mm |
| dn | 58.7 mm |
| Basic dynamic load rating | C - 7.6 kN |
| Basic static load rating | C0 - 6.2 kN |
| Fatigue load limit | Pu - 0.265 kN |
| Limiting speed for grease lubrication | 30000 r/min |
| Limiting speed for oil lubrication | 45000 mm/min |
| Ball | Dw - 4.762 mm |
| Ball | z - 29 |
| Gref | 1.89 cm3 |
| Calculation factor | f0 - 9.8 |
| Preload class A | GA - 26 N |
| Preload class B | GB - 52 N |
| Preload class C | GC - 155 N |
| Calculation factor | f - 1.09 |
| Calculation factor | f1 - 1 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.03 |
| Calculation factor | f2C - 1.08 |
| Calculation factor | fHC - 1.01 |
| Preload class A | 34 N/micron |
| Preload class B | 45 N/micron |
| Preload class C | 72 N/micron |
| Mass bearing | 0.126 kg |
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