Self-Lubricating Composite Low Friction Bushing Bearings are
innovative bearing solutions specifically designed for extreme cold
and harsh environments, such as those encountered in Low Friction
Bushing applications. These bearings incorporate self-lubricating
properties to ensure smooth and reliable operation in conditions
where traditional lubricants may freeze or become ineffective.
The composite material used in these bearings is chosen for its
excellent wear resistance, durability, and ability to maintain its
lubricating properties in low-temperature environments. The
composite typically consists of a reinforced polymer matrix with
embedded solid lubricants and additives that enhance its
performance in extreme conditions.
The self-lubricating properties of the composite material allow the
bearings to operate without the need for external lubricants. This
eliminates the risk of lubricant freezing or becoming contaminated,
ensuring continuous and reliable operation even in temperatures
down to -80°C or lower.
The design of the Low Friction Bushing bearings also takes into
account the specific challenges of Low Friction Bushing
environments, such as the presence of ice, snow, and debris. The
bearings are typically encased in protective housings or shrouds to
prevent ingress of foreign particles and minimize wear.
Overall, Self-Lubricating Composite Low Friction Bushing Bearings
provide a robust and reliable solution for applications that
require bearings to operate in extreme cold and harsh environments.
Their self-lubricating properties, durability, and resistance to
wear make them an excellent choice for Low Friction Bushing
applications and other similar environments.
Sliding BearingsManufacturer & Exporter - Bushes Manufacturer &
Exporter
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Multiple Sizes.
Series | Composite Bushing | Online Bushings & Bearings
A range of bushes available now in metric & imperial size.
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Suitable for industrial applications, including under frequent
start-up conditions.
Bush Structure And Composition
Thrust washers
Metal-Polymer Composite Self-lubricating Bushing Material
Steel Back + Porous Bronze Sinter +
+ Lead
Bush Characteristics
- self-lubricating bushings offer very good wear and low friction
performance over a wide range of loads, speeds, and temperatures in
dry running conditions
- Bushing material suitable for lubricated applications
- Anti-friction bearing suitable for linear, oscillating, and
rotating movements
Microsection
Sliding layer
+ Lead
Porous Bronze Sinter
Steel Backing
Operating Performance
| OPERATING PERFORMANCE |
| Dry | Very Good |
| Oil-lubricated bushing | Good |
| Grease lubricated | Fair |
| Water lubricated | Fair |
| Process fluid lubricated | Fair |
Bush Properties In Different Environment
| GENERAL | | Unit | Value |
| Maximum load, p | Static Dynamic | N/mm2 N/mm2 | 250 140 |
| Operating temperature | Min Max | °C °C | - 200 280 |
| Coefficient of linear thermal expansion | Parallel to the surface Normal to the surface | 10-6/K
10-6/K | 11
30 |
| DRY | | | |
| Maximum sliding speed, U | | m/s | 2.5 |
| Maximum pU factor | | N/mm2 x m/s | 1.8 |
| Coefficient of friction | | | 0.02 - 0.25 * |
| OIL LUBRICATED | | | |
| Maximum sliding speed, U | | m/s | 5.0 |
| Maximum pU factor | | N/mm2 x m/s | 5.0 |
| Coefficient of friction | | | 0.02 - 0.12 |
Availability
Bearing forms available in standard dimension cylindrical bushes
- Flanged bushes
- Thrust washers
- Flanged washers
- Sliding plates
Metric bearings and imperial bushings made to order:
standard bushing forms in special dimensions, half-bushings,
special shapes obtained by stamping or deep drawing, customized
bushing designs
| RECOMMENDATIONS | | | |
| Shaft surface roughness, Ra | Dry Lubricated | µm µm | 0.3 - 0.5 ≤ 0.05 - 0.4 * |
| Shaft surface hardness | Unhardened acceptable, improved bearing life > 200HB | |
* Depending on operating conditions
Low Friction Bushing Bearings, Material Equivalent Self-Lubricating
Composite Bearing
Low Friction Bushing bearings, steel bushings, Low Friction Bushing
bushes, Low Friction Bushing Metal-Polymer Bearings bearings,
material equivalent, the self-lubricating composite bearing of the
same type have similar performance parameters, lower price, and
more timely delivery
Viiplus composite series bearings
Type 1 type self-lubricating bearings
Introduction to material
It is a polymer made of tetrafluoroethylene as a monomer. White
waxy, translucent, good heat and cold resistance, can be used in
-180 ~ 260 C for a long time. This material has the characteristics
of anti-acid, anti-alkali, anti - various organic solvents, almost
insoluble in all solvents.At the same time, has the characteristics
of high-temperature resistance, its coefficient of friction is very
low, so it can be used for lubrication, but also become easy to
clean the ideal coating of the inner layer of the water pipe;
Toxic, human carcinogen.
| Product | Material Parameters | Use the feature | Process method | Application field | Optional structure |
|
| Composite bearing common oil-free bearing VSB-1 | Steel base + sintered copper powder (CuPb10Sn) + surface rollers
pressed | Such as high temperature, high load, low-speed heavy load, and
other occasions. | Rolling + sintering + ROLLERS | Such as printing machines, elevators, textile machines, tobacco
machines, fitness equipment, hydraulic trucks, micromotors,
solenoid valves, automobiles, motorcycles, and agricultural and
forestry machinery. | Copper or tin plating is available |
|
|
| Composite bearing VSB-1T(special bearing for gear pump) | Steel base + sintered copper powder + surface Alkalis ++Pb+ Filler
/Filler | The product has a special anti-fatigue impact advantage | Rolling + sintering + special modulation of surface materials | At present, the product has been used in metallurgy continuous
casting machine, train support, steel rolling equipment, mining
machinery, shipping, gas turbine | Flange, straight barrel position, etc
Copper or tin plating is available |
|
|
| Composite bearing VSB-1P (reciprocating bearing) | A mixture of steel base + sintered copper powder + surface rollers
+ lead | It has the advantages of strong self-lubricating ability, good wear
resistance, and clear oil film under the condition of oil breaking,
which can better protect the surface of the grinding shaft from
wear. | Rolling + sintering + special modulation of surface materials | Automobile shock absorber, motorcycle shock absorber, various
hydraulic cylinders, hydraulic motors, pneumatic components, and
other fields | Flange, straight barrel position, etc |
|
|
| Composite bearing VSB-1W lead-free bearing | Steel base (lead-free) + sintered copper powder (lead-free) +
surface Rollers +PPS+ carbon fiber (lead-free) | Environmental protection | Rolling + sintering + special modulation of surface materials | Medium and high-pressure gear pump, plunger pump, blade pump
machinery, food machinery, tobacco machinery | Flange, straight barrel position, etc |
|
|
| Composite bearing VSB-1D hydraulic special bearing | Steel base + sintered copper powder + surface rollers
A mixture of oleophilic fibers is 0.01-0.03mm | Is a reinforced product, has a higher compressive performance, in
the work, can discharge lubrication particles, so that a layer of
the diaphragm between the shaft and the sleeve, played a more than
monomer oil lubrication anti-bite advantage, especially suitable
for lifting support | Rolled + sintered + Rollers + fibers | It is suitable for winder support and crane support, but it is not
suitable for use in water or acid-base situations. | Flange, straight barrel position, etc |
|
|
| Composite bearing VSB-1B bronze base bearing | Copper plate /Bronze+ copper powder /Bronze+ surface kun ++Pb+
Filler /Filler | It has a very high safety factor, in the continuous work can not
stop the repair place and the high temperature can not fuel the
place especially suitable. | Rolled + sintered + Rollers + fibers | The products are used in metallurgical machinery, continuous
casting machinery, cement machinery and so on | Flange, straight tube |
|
|
| Corrosion-resistant bearing VSB-1S immortal steel | Stainless steel+ corrosion-resistant coating + (lead-free) | It is resistant to oil, acid, alkali, seawater, and wear. The
material on the surface is lead-free | Rolled + sintered corrosion-resistant coating + ROLLERS pressed | In food and beverage machinery, chemical medium acid and alkali
flow pump valve, printing and dyeing machinery, chemical machinery,
Marine industry corrosion-resistant sliding parts most suitable for
use. | Flange, straight tube |
|
|
