TIMKEN DX418857/DX748779
Double Row TIMKEN DX418857/DX748779 Inch Tapered Roller Bearing
TIMKEN DX418857/DX748779 consists of a single-piece (double)
outer ring DX748779 and two single inner ring DX418857.
This configuration offers a wide effective bearing spread to support loads created by overturning moments.
TIMKEN DX418857/DX748779 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 DX418857/DX748779 Technical Data
| Bearing Part | DX418857/DX748779 | Bearing type: | Double row tapered roller bearing |
| Brand | TIMKEN | Other | Inch type |
| Inner(Cone) | DX418857 | Dynamic C1 | 4870000N |
| Outer(Cup) | DX748779 | Factors e | 0.33 |
| Bore (d) | 368.249mm | Factors Y | 2.03 |
| O.D (D) | 523.875mm | Dynamic C90 | 725000N |
| Width(T) | 214.312mm | Dynamic Ca90 | 413000N |
| Dynamic C90(2) | 1260000N | Factors K | 1.76 |
| Outer Ring Width(C) | 169.862mm | Factors Y2 | 3.02N |
| Origin | USA | Weight: | 141.29kg |
Timken DX418857/DX748779 Drawing
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