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  2. ABEC scale - Wikipedia

    en.wikipedia.org/wiki/ABEC_scale

    Illustration of bearing tolerances (in micrometers) for a bearing with a 20 mm inner diameter. For illustration, the figure shows the differences in tolerance per ABEC class in micrometers (μm) for a 20 mm inner diameter bearing. [1] A 20 mm ABEC 7 bearing only has a 5 μm tolerance window, whereas an ABEC 1 has twice as wide a tolerance.

  3. Main bearing - Wikipedia

    en.wikipedia.org/wiki/Main_bearing

    The number of main bearings is primarily determined by the overall load factor and maximum engine speed. [1] Increasing the number of bearings in an engine will generally increase the size and cost of the engine, but also reduces bending stress and deflection caused by the distance from the crank pins to the nearest bearings.

  4. Thrust bearing - Wikipedia

    en.wikipedia.org/wiki/Thrust_bearing

    The small size (one-tenth the size of old bearing designs), low friction and long life of Kingsbury and Michell's invention made possible the development of more powerful engines and propellers. They were used extensively in ships built during World War I , and have become the standard bearing used on turbine shafts in ships and power plants ...

  5. Holden straight-six motor - Wikipedia

    en.wikipedia.org/wiki/Holden_straight-six_motor

    The Holden straight-six motor is a series of straight-six engines that were produced by General Motors Holden at their Port Melbourne plant between 1948 and 1986. The initial Grey motor was so dubbed because of the colour of the cylinder block , later motors came in the form of a Red , Blue , Black , and the four-cylinder Starfire engine.

  6. Bearing (mechanical) - Wikipedia

    en.wikipedia.org/wiki/Bearing_(mechanical)

    A ball bearing. A bearing is a machine element that constrains relative motion to only the desired motion and reduces friction between moving parts.The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts.

  7. NEMA size - Wikipedia

    en.wikipedia.org/wiki/NEMA_size

    These sizes are grouped by rated current and power. [1] [2] NEMA size ... Motor starter; References This page was last edited on 20 June 2020, at 20:42 (UTC ...

  8. List of International Harvester/Navistar engines - Wikipedia

    en.wikipedia.org/wiki/List_of_International...

    The medium-duty 1930 A-series trucks received the all-new 278.7 cu in (4.6 L) FB-3 six-cylinder engine, with overhead valves and seven main bearings. This was complemented by larger versions of the same engine and was built until late 1940 (as the FBB), [7] the line-up being expanded downward by the smaller FA-series (later FAB) in 1933. [8]

  9. Linear-motion bearing - Wikipedia

    en.wikipedia.org/wiki/Linear-motion_bearing

    A linear-motion bearing or linear slide is a bearing designed to provide free motion in one direction. There are many different types of linear motion bearings.. Motorized linear slides such as machine slides, X-Y tables, roller tables and some dovetail slides are bearings moved by drive mechanisms.

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