TIMKEN NP911398/NP993155
Double Row TIMKEN NP911398/NP993155 Inch Tapered Roller Bearing
TIMKEN NP911398/NP993155 consists of a single-piece (double)
outer ring NP993155 and two single inner ring NP911398.
This configuration offers a wide effective bearing spread to support loads created by overturning moments.
TIMKEN NP911398/NP993155 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 NP911398/NP993155 Technical Data
| Bearing Part | NP911398/NP993155 | Bearing type: | Double row tapered roller bearing |
| Brand | TIMKEN | Other | Inch type |
| Inner(Cone) | NP911398 | Dynamic C1 | 3950000N |
| Outer(Cup) | NP993155 | Factors e | 0.38 |
| Bore (d) | 292.1mm | Factors Y | 1.79 |
| O.D (D) | 469.9mm | Dynamic C90 | 588000N |
| Width(T) | 200.025mm | Dynamic Ca90 | 380000N |
| Dynamic C90(2) | 1020000N | Factors K | 1.55 |
| Outer Ring Width(C) | 149.225mm | Factors Y2 | 2.66N |
| Origin | USA | Weight: | 118.73kg |
Timken NP911398/NP993155 Drawing
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