Solid lubricant sliding bearings

DBL-1

DBL-1 solid lubricant sliding bearings are made of solid bronze with pre-integrated solid graphite lubricant. Their load limit is considerably higher than standard sliding bearings, where lubrication is dependent upon there being a film of oil.

These bearings are used with heavy loads, in anti-corrosion applications or if it is very difficult to obtain lubricant. These bearings perform twice as well due to their strength and wear-resistance.

They are generally used in casting machines, in the mining and shipbuilding industries, in turbo generators and hydraulic turbines and for injection-moulding machines for the plastics processing industry.

Base materialDynamic loadHardnessFriction
coefficient
Temperature
limit
Sliding speed
limit (dry)
Sliding speed
limit (oil)
CuZn24Al6 /
CuZn25Al6Fe3Mn4
100 N/mm2HB210HB270<0.16+300°C0.4m/s5m/s
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DBL-4

DBL-4 solid lubricant sliding bearings have a HT250 cast iron base.

These sliding bearings are used when a cost-effective solution is required and when the mechanical requirements are not to high, e.g. in guide rods for moulding tools, cast-iron plates for plastic injection moulding machinery.

Base materialDynamic loadBase hardnessFriction coefficientTemperature limitSliding speed
limit
HT25060 N/mm2HB180HB230<0.18+400°C0.5 m/s
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DBL-5

DBL-5 solid lubricant sliding bearings are reinforced-material products from the DBL series and have a GCr15 steel base.

These sliding bearings have high levels of compression resistance and are particularly suitable for use in guides for lifting machinery and winding equipment. They are also used in winches and cranes. They should not be used in water or in acidic or alkaline conditions.

Base
material
Dynamic
load
Base hardnessLoad limit Friction
coefficient
Tempera-
ture limit
Speed
limit
PV-
limit
100 Cr6250 N/mm2HRC58HRC6070 N/mm2
<0.17+350°C0.1 m/s2,5 N/mm² x m/s
Technical information DBL-series
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