TIMKEN 398/394D
Double Row TIMKEN 398/394D Inch Tapered Roller Bearing
TIMKEN 398/394D consists of a single-piece (double)
outer ring 394D and two single inner ring 398.
This configuration offers a wide effective bearing spread to support loads created by overturning moments.
TIMKEN 398/394D 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 398/394D Technical Data
| Bearing Part | 398/394D | Bearing type: | Double row tapered roller bearing |
| Brand | TIMKEN | Other | Inch type |
| Inner(Cone) | 398 | Dynamic C1 | 172000N |
| Outer(Cup) | 394D | Factors e | 0.4 |
| Bore (d) | 50.8mm | Factors Y | 1.68 |
| O.D (D) | 110mm | Dynamic C90 | 25600N |
| Width(T) | 52.388mm | Dynamic Ca90 | 17600N |
| Dynamic C90(2) | 44600N | Factors K | 1.45 |
| Outer Ring Width(C) | 46.038mm | Factors Y2 | 2.5N |
| Origin | USA | Weight: | 2.28kg |
Timken 398/394D Drawing
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