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2. BSA B44 Shooting Star - Wikipedia

   en.wikipedia.org/wiki/BSA_B44_Shooting_Star

   Similar to the BSA C15 and sharing many of the same parts, the B44 had an uprated chassis. [3] A weak point of the BSA 250 and most 350 unit singles were the big end bearing and timing side crank bush. The B44 had a double roller big end and a single lipped roller bearing supporting the drive side of the crank, with a ball bearing on the timing ...

3. Slipper clutch - Wikipedia

   en.wikipedia.org/wiki/Slipper_clutch

   The main purpose of a slipper clutch is to prevent over engine rev and rear wheel hop (or clatter) especially under hard braking in a vehicle (usually performance motorcycles). It does so by partially slipping until the engine's speed matches with the vehicle's speed upon sudden braking. [1] [2]

4. Campagnolo - Wikipedia

   en.wikipedia.org/wiki/Campagnolo

   2006 Hollow external bearing crankset is announced Ultra-Torque crankset with Hirth joint. 2007 10-speed Mirage and Xenon component groups and new Ultra-Torque components are introduced. Record hubs are now black, 20 g lighter and don't have grease ports any more 2008 11-speed Record, Super Record, and Chorus groups are introduced

5. 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.

6. Fluid bearing - Wikipedia

   en.wikipedia.org/wiki/Fluid_bearing

   Hydrodynamic bearings rely on the high speed of the journal (the part of the shaft resting on the fluid) to pressurize the fluid in a wedge between the faces. Fluid bearings are frequently used in high load, high speed or high precision applications where ordinary ball bearings would have shortened life or caused high noise and vibration. They ...

7. Magnetic bearing - Wikipedia

   en.wikipedia.org/wiki/Magnetic_bearing

   A magnetic bearing. A magnetic bearing is a type of bearing that supports a load using magnetic levitation. Magnetic bearings support moving parts without physical contact. For instance, they are able to levitate a rotating shaft and permit relative motion with very low friction and no mechanical wear. Magnetic bearings support the highest ...