TIMKEN 28985/28921D
Double Row TIMKEN 28985/28921D Inch Tapered Roller Bearing
TIMKEN 28985/28921D consists of a single-piece (double)
outer ring 28921D and two single inner ring 28985.
This configuration offers a wide effective bearing spread to support loads created by overturning moments.
TIMKEN 28985/28921D 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 28985/28921D Technical Data
| Bearing Part | 28985/28921D | Bearing type: | Double row tapered roller bearing |
| Brand | TIMKEN | Other | Inch type |
| Inner(Cone) | 28985 | Dynamic C1 | 185000N |
| Outer(Cup) | 28921D | Factors e | 0.43 |
| Bore (d) | 60.325mm | Factors Y | 1.59 |
| O.D (D) | 100mm | Dynamic C90 | 27500N |
| Width(T) | 55.56mm | Dynamic Ca90 | 20000N |
| Dynamic C90(2) | 47900N | Factors K | 1.37 |
| Outer Ring Width(C) | 44.45mm | Factors Y2 | 2.36N |
| Origin | USA | Weight: | 1.64kg |
Timken 28985/28921D Drawing
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