TIMKEN 687/672D
Double Row TIMKEN 687/672D Inch Tapered Roller Bearing
TIMKEN 687/672D consists of a single-piece (double)
outer ring 672D and two single inner ring 687.
This configuration offers a wide effective bearing spread to support loads created by overturning moments.
TIMKEN 687/672D 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 687/672D Technical Data
| Bearing Part | 687/672D | Bearing type: | Double row tapered roller bearing |
| Brand | TIMKEN | Other | Inch type |
| Inner(Cone) | 687 | Dynamic C1 | 461000N |
| Outer(Cup) | 672D | Factors e | 0.47 |
| Bore (d) | 101.6mm | Factors Y | 1.43 |
| O.D (D) | 168.275mm | Dynamic C90 | 68600N |
| Width(T) | 92.075mm | Dynamic Ca90 | 55300N |
| Dynamic C90(2) | 119000N | Factors K | 1.24 |
| Outer Ring Width(C) | 69.85mm | Factors Y2 | 2.14N |
| Origin | USA | Weight: | 7.47kg |
Timken 687/672D Drawing
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