TIMKEN 558A/552D
Double Row TIMKEN 558A/552D Inch Tapered Roller Bearing
TIMKEN 558A/552D consists of a single-piece (double)
outer ring 552D and two single inner ring 558A.
This configuration offers a wide effective bearing spread to support loads created by overturning moments.
TIMKEN 558A/552D 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 558A/552D Technical Data
| Bearing Part | 558A/552D | Bearing type: | Double row tapered roller bearing |
| Brand | TIMKEN | Other | Inch type |
| Inner(Cone) | 558A | Dynamic C1 | 332000N |
| Outer(Cup) | 552D | Factors e | 0.35 |
| Bore (d) | 60.325mm | Factors Y | 1.95 |
| O.D (D) | 123.825mm | Dynamic C90 | 49400N |
| Width(T) | 79.375mm | Dynamic Ca90 | 29300N |
| Dynamic C90(2) | 86100N | Factors K | 1.69 |
| Outer Ring Width(C) | 63.5mm | Factors Y2 | 2.9N |
| Origin | USA | Weight: | 4.3kg |
Timken 558A/552D Drawing
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