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Bearings and Training
Schaeffler UK is helping Triumph cut engine weight, friction and fuel consumption on its motorcycles. Fifteen design engineers from British motorcycle manufacturer Triumph recently attended a training workshop at its headquarters in Hinckley, Leicestershire, organised by UK bearings specialist Schaeffler (UK).
The objective was to learn more about Schaeffler's comprehensive range of bearings and engine components for motorcycles and how these could help Triumph reduce friction, improve fuel consumption and reduce CO2 emissions on its next-generation motorcycle engines.
Schaeffler currently supplies around 31% of all bearings on Triumph motorcycles and is constantly looking for ways of getting involved earlier in Triumph's design process.
Peter Allen, Account Manager at Schaeffler UK, who attended the workshop, comments: 'We flew in our motorcycle expert from Germany and the workshop was very well received'.'It was the first time Triumph engineers had attended a workshop organised by Schaeffler and Triumph has since invited Schaeffler to look at some new engine design projects, which involve bearings, tappets and other critical engine components'.
Schaeffler supplies a variety of engine components and bearing systems for automotive applications, including bearings for crankshafts and camshafts; hydraulic and mechanical chain tensioners; finger followers and bucket type tappets in valve trains; and bearings for clutches, gearboxes, ABS control systems, propshafts, steering, suspension, drive shafts and output shafts.
Schaeffler's low-friction, high-precision FAG ball bearings (with optional integrated seal) and cylindrical roller bearings are helping motorcycle manufacturers keep noise levels and fuel consumption to a minumum.
INA needle roller and cage assemblies guided on the outside diameter (crank pin cages) can be used for the connecting rod bearing supports.
The dry running characteristics are significantly improved by the use of coatings.Piston pin bearings keep the radial internal clearance as small as possible.INA needle roller and cage assemblies guided on the inside diameter (piston pin cages) have proved to be an idealsolution in wear-resistant designs with extreme temperatures.
Mechanical and hydraulic chain tensioners with tensioner blades and chain guides can be used to dampen the vibrations from the timing chain.his can reduce noise levels on the motorcycle and increases operating life.The camshaft can run at low friction in maintenance-free needle roller bearings or ball bearings.
In the valve train, rocker arms, finger followers and end pivot rocker arms or bucket type tappets with mechanical or hydraulic valve lash adjustment elements, can ensure optimal valve performance on the engine.For drive shafts and output shafts, motorcycle manufacturers can use FAG ball bearings with optimised load ratings and INA space-saving drawn cup cylindrical roller bearings.
Schaeffler can also supply low-noise, high-speed gear bearing supports with lightweight, split plastic cages, which increase the life of the transmission system as they minimise the risk of false brinelling.
Durable release bearings with formed rings can provide high load carrying capacity in a small design space such as a motorcycle engine.
Low-friction FAG ball bearings and INA needle roller bearings make gear shifting much easier on motorcycles.In contrast to steel-steel or steel-aluminium solutions, these rolling bearings offer consistent, low radial internal clearance for the shift drum and wear-free operation.
Safety factors are critical on the chassis and steering system and so Schaeffler can provide ball bearings with integrated seals that are lubricated for life and which offer good shock resistance and smooth operation.Their low wear and low friction characteristics also contribute to fuel savings.Sealed needle roller bearings are also used for special swing arm designs.Sealed, adjustable tapered roller bearings, angular contact ball bearings or angular needle roller bearings can be used to support axial and radial loads in the steering head.
Schaeffler's Elges plain bearings or spherical plain bearings can be used for forks and suspension struts
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| GE40UK-2RS bearing | 40 | 62 | 28 |
| GE35UK-2RS bearing | 35 | 55 | 25 |