| Name | Value |
|---|---|
| Bearing number | 71908 CB/P4AL |
| Size (mm) | 40x62x12 |
| Brand | MBY |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 62 |
| Width (mm) | 12 |
| Name | Value |
|---|---|
| d | 40 mm |
| D | 62 mm |
| B | 12 mm |
| d1 | 48.46 mm |
| d2 | 47.6 mm |
| D2 | 55.64 mm |
| b | 2 mm |
| C1 | 5.9 mm |
| C2 | 2.8 mm |
| C3 | 1.7 mm |
| r1,2 | min. - 0.6 mm |
| r3,4 | min. - 0.3 mm |
| a | 14.8 mm |
| da | min. - 43.2 mm |
| db | min. - 43.2 mm |
| Da | max. - 58.8 mm |
| Db | max. - 60 mm |
| ra | max. - 0.6 mm |
| rb | max. - 0.3 mm |
| dn | 49.1 mm |
| Basic dynamic load rating | C - 5.4 kN |
| Basic static load rating | C0 - 4.2 kN |
| Fatigue load limit | Pu - 0.176 kN |
| Limiting speed for grease lubrication | 30000 r/min |
| Limiting speed for oil lubrication | 45000 mm/min |
| Ball | Dw - 3.969 mm |
| Ball | z - 28 |
| Gref | 1.38 cm3 |
| Calculation factor | f0 - 9.8 |
| Preload class A | GA - 18 N |
| Preload class B | GB - 36 N |
| Preload class C | GC - 110 N |
| Calculation factor | f - 1.06 |
| Calculation factor | f1 - 1 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.02 |
| Calculation factor | f2C - 1.07 |
| Calculation factor | fHC - 1 |
| Preload class A | 25 N/micron |
| Preload class B | 32 N/micron |
| Preload class C | 52 N/micron |
| Mass bearing | 0.118 kg |
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