Page 30 - Catalog spare parts GLYCO for cars

Auto Parts / lESS FRIcTIoN, lESS EMISSIoNS Glyco bearings offer the widest range of
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THE WoRlD’S MoST TRUSTED BEARINGS coverage with about 2,500 references

There may be no better example of an Enabling Solution than Glyco Sputter Bearings, used by many of the
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developments in metallurgy. As engine designers deliver world’s most prestigious vehicle manufacturers,
reduced CO emissions by extracting more power from less fuel, can withstand these very high loads, providing
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temperatures rise, loads increase and conventional materials twice the durability of conventional bearings and
struggle. Federal-Mogul’s Glyco brand has been a leading a version has been developed specifi cally for
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Original Equipment supplier of engine bearings for more than engine rebuilders. The result is the ‘intelligent’ lead-free
100 years and it remains at the forefront of technical develop- material G-488, which combines a Tin-Copper alloy with a
ments that meet these challenges. Nickel / Tin-Nickel layer. The Tin-Copper layer is still rela-
tively soft during the engine’s initial running-in phase when it is
The new lead-free bronze is one of several ranges of new required to bed-in against an existing crankshaft journal to
materials introduced by Glyco , each optimised for a specifi c provide a perfectly matched surface. Over time the engine’s
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application but all sharing Federal-Mogul’s commitment to heat diffuses the Tin to form a hard, durable Tin-Nickel layer
light-weight, environmentally-responsible technologies. A lead- that gives the engine longer life. This high performance,
free bronze eliminates the possible health risks associated carefully tailored to the repair of existing engines, is also more

with lead in the environment and simplifies recycling. It also affordable as the technique uses electroplating rather than
eliminates the porosity associated with lead, which contributes expensive sputter-coating.
to increasing the maximum load capacity by up to 20 percent.
Another big step in fuel economy and emissions
Lightweight engine parts result in greater deformation of the reduction can be taken by introducing a start-stop
connecting rod and engine block and this, in turn, puts further system, an increasingly popular fi tment on today’s
loading on the bearings. vehicles that may soon become universal.

THESE SECTIONS, TAKEN WITH A MICROSCOPE, SHOW HOW THE SURFACE CHANGES.

Before after

GLYCO
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unloaded area (near the parting lines) loaded area (near the crown) LEAD-FREE
change of the layer system of G-488 – Diffusion of atoms increase the thickness of the Tin-Nickel layer

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