TIMKEN M270749/M270720D
Double Row TIMKEN M270749/M270720D Inch Tapered Roller Bearing
TIMKEN M270749/M270720D consists of a single-piece (double)
outer ring M270720D and two single inner ring M270749.
This configuration offers a wide effective bearing spread to support loads created by overturning moments.
TIMKEN M270749/M270720D 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 M270749/M270720D Technical Data
| Bearing Part | M270749/M270720D | Bearing type: | Double row tapered roller bearing |
| Brand | TIMKEN | Other | Inch type |
| Inner(Cone) | M270749 | Dynamic C1 | 5700000N |
| Outer(Cup) | M270720D | Factors e | 0.33 |
| Bore (d) | 447.675mm | Factors Y | 2.03 |
| O.D (D) | 649.925mm | Dynamic C90 | 849000N |
| Width(T) | 257.175mm | Dynamic Ca90 | 484000N |
| Dynamic C90(2) | 1480000N | Factors K | 1.76 |
| Outer Ring Width(C) | 206.375mm | Factors Y2 | 3.02N |
| Origin | USA | Weight: | 279.4kg |
Timken M270749/M270720D Drawing
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