TIMKEN A4059/A4138D
Double Row TIMKEN A4059/A4138D Inch Tapered Roller Bearing
TIMKEN A4059/A4138D consists of a single-piece (double)
outer ring A4138D and two single inner ring A4059.
This configuration offers a wide effective bearing spread to support loads created by overturning moments.
TIMKEN A4059/A4138D can be used at fixed positions or allowed to fl oat in the housing bore to compensate for shaft expansion.
D suffi x has a groove with oil holes for lubrication through the outer ring
CD suffi x now replaces the DC suffi x listed for part numbers in previous publications. Same features as D suffi x, but CD also has groove with oil holes. One lubrication hole is counterbored to accept an anti-rotational pin.
Bearing A4059/A4138D Technical Data
| Bearing Part | A4059/A4138D | Bearing type: | Double row tapered roller bearing |
| Brand | TIMKEN | Other | Inch type |
| Inner(Cone) | A4059 | Dynamic C1 | 22900N |
| Outer(Cup) | A4138D | Factors e | 0.45 |
| Bore (d) | 14.989mm | Factors Y | 1.49 |
| O.D (D) | 34.988mm | Dynamic C90 | 3410N |
| Width(T) | 25.174mm | Dynamic Ca90 | 2640N |
| Dynamic C90(2) | 5940N | Factors K | 1.29 |
| Outer Ring Width(C) | 20.638mm | Factors Y2 | 2.22N |
| Origin | USA | Weight: | 0.11kg |
Timken A4059/A4138D Drawing
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