Mahle Motorsport Cooper 'S' Big End Bearing Set
New, Mahle Motorsport Engine Bearings - Made in the UK Race Division.
- Cooper 'S' 1.625" STD B/E Bearing
Special Features Include -
- The Racing Notch ~ The sole purpose of the notch is for location during assembly. However, a conventional notch compromises the integrity of the bearing as it reduces the cross-sectional area of the bearing at the joint face which increases the hoop stress in the bearing and limits the interference fit that can be achieved.
The most critical motorsport applications use a racing notch which maximizes the cross-sectional area for good interference fit and eliminates disruption to the bearing bore and consequently to the oil film.
- Laser Etched ~ The cheapest method of identifying a bearing is by stamping. For motorsport applications where higher temperatures are experienced, the effectiveness of heat transfer into the housing should not be compromised. If the stamping is heavy and extends quite far round the bearing causing poor back contact then the heat transfer will be reduced. Laser marking is an alternative method which creates smaller, more consistent marking and as such does not interfere with the back contact and subsequent heat transfer. The laser marking penetrates into the steel backing by around 12μm.
Every detail on a bearing shell, however small, contributes to the performance
of that bearing shell as it strives to protect the oil film. And every bearing shell contributes to the performance of the bearing system as it strives to protect the engine.
The simple appearance of a bearing shell hides a wealth of complexity and every detail must be given due attention during design, manufacture and assembly to ensure the package is complete for secure and reliable performance right in the heart of the engine.