The Steel-Backed Lined Sleeve, commonly known as MS+ or Bearing, is
a unique composite material bearing solution that offers
exceptional performance in various industrial applications. This
type of bearing combines the strength and durability of steel with
the non-stick, low-friction properties of polytetrafluoroethylene
().
The MS+ design features a steel backing plate that provides
structural support and rigidity. The lining is bonded to the steel
plate, creating a smooth, lubricated surface that reduces friction
and wear. This combination results in a bearing that can withstand
high loads, resist wear, and maintain stable performance over
extended periods of time.
Bearings, as another common name for this type of product, are
often used in applications where high temperatures, chemicals, or
other harsh conditions are present. The lining is resistant to
these elements, ensuring that the bearing can continue to function
reliably in challenging environments.
The Steel-Backed Lined Sleeve MS+, D BEARING is an excellent choice
for a wide range of industrial applications, including rotating
machinery, pumps, compressors, and more. Its unique combination of
materials and design makes it a dependable solution for reducing
friction, extending equipment life, and improving overall system
performance.
Steel-Backed Lined Sleeve MS+, BEARING
Sliding Bearing & Bushings for Cranes Towing Equipment Tail Lifts
Aerial Platforms Waste Management Equipment Tarpaulin Systems
Special Purpose Vehicles Scissor Lift Platforms
MS+, BEARING
Viiplus China Sliding Plain Bushings Guild Bearings are typically
used in high loads applications, like valves, hydro power
equipment, lifting equipment, hydraulic pumps and many other
applications.
Metal-Polymer Bearings SLIDING bearings MADE ORDER FROM CHINA are
used extensively by manufacturers due to the material’s ability to
maintain low friction under heavy loads.
The diverse range of high performance composite materials
manufactured by VIIPLUS CHINA offers the engineer a wide array of SLIDING BEARINGS solutions to
improve wear resistance, withstand extreme temperatures, resist
high impacts and survive in harsh, corrosive environments.
Self lubricating bearings are found in traditional ski lifts, and
in chair-lift connection systems.Ski lifts are bidirectional.
cable railways, ski-lifts bushings Made in China
Self lubricating flange bearing with sliding layer.
Characteristics
Self lubricating & operate without external lubrication.
Free from stick slip, giving easy movement & operation.
High wear resistance giving long life.
Large operating temperature range -200oC to +300oC.
Corrosion resistant & can be used with aggressive liquids such as
sea waterGasoline, Acids, Detergent Solutions, Hydraulic Oils,
Ammonium Hydroxide, Oils
High strength, capable of carrying high loads.
Good dimensional stability & capacity to be formed to close
tolerances
Slinding bearings have a metal backing and a composite self
lubricating liner, which gives the combination of high strength,
excellent chemical resistance and a low coefficient of friction.
Customized Metal-Polymer Bearings is a type of composite oilless
bearing, it has a common structure, consisting of a Steel / Bronze
/ Stainless Steel backing bonded to a porous bronze sinter layer
and overlaid with the bearing material.
The excellent low friction and high wear resistance performance of
metal-polymer bearings make them ideal for hundreds of applications
in numerous and diverse industries around the world.
Metal-Polymer Bearings take advantage of the out-standing dry
bearing properties of and combines them with strength, stability
and good wear resistance, excellent heat conductivity and low
thermal expansion.
It's also called bearing, and lined dry sliding bearing, oil free
bushes.
Key Benefits:
Increased Bearing Life
Large Application Range
Reduced Maintenance
Significantly Reduced Downtime
Improved Performance
Customized Innovative Solutions
Proven Performance Over Decades
Excellent Chemical Resistance
Worldwide Distribution
– Maintenance-free (self-lubricating)
– Low coefficient of friction
– Universal bearing
– Long lifespan
VIIPLUS Sliding bearings are supplied with a range of metal
backings. These include stainless steel 316 AND 304, carbon steel,
and bronze. VIIPLUS SLIDING bearings are supplied as coiled
bearings, thrust washers, and solid cylindrical bearings.
Component Design If design services, drawings and fitting
instructions are required, VIIPLUS CHINA works with customers in
developing the most suitable SELF-LUBRICATING solution to their
particular problem.
Sliding bearings consist either of a fabric with strengthening
fibers applied to a metal backing or our innovative fabric-free
design with special low friction coating.
WEAR PARTS & BEARINGS
Bearing Development
1. Development of bearing products
Bearing is the bearing shaft parts, known as the "mechanical joint", is an indispensable part of modern mechanical equipment.The main
function of the bearing is to support the rotating shaft or other
moving body, guide the rotational movement or movement and bear the
load transmitted by the shaft or the parts on the shaft.
The modern industrial bearing industry arose from the late 19th
century to the early 20th century.Since the 1950s, with the rapid
development of high and new technologies such as aerospace, nuclear
energy industry, electronic computers, optical and electromagnetic
instruments, precision machinery and so on, the world bearing
industry has entered a period of comprehensive innovation, with
rapid development of manufacturing technology, and increasingly
mature varieties, bearing precision, performance and life.
2. Classification of bearing products
There are many types of bearing products, according to the
different structure and working principle, can be divided into
"rolling bearing" and "sliding bearing" two categories.The rolling
bearing refers to the bearing that contains the rolling body for
rolling motion between the parts. The sliding bearing is the
bearing that does not use the rolling body and only works under the
sliding friction.
The rolling bearing has the advantages of small friction
coefficient, high transmission efficiency and good mechanical
properties.Rolling bearings have been standardized, serialized and
generalized, suitable for mass production and supply, promoting the
overall development of the bearing industry.
Sliding bearing has the advantages of small volume, high bearing capacity, little vibration, little noise
and more structural changes.Therefore, the sliding bearing has obvious advantages over the
rolling bearing in the occasions with large load bearing, compact
structure and impact load.The advantages of the variable structure
of sliding bearing also enable it to be applied to various
mechanical parts of different shapes.
According to the different lubricating materials and lubricating
ways, the sliding bearings can be further divided into
"self-lubricating bearings" and "general sliding
bearings".Traditional sliding bearings need to add lubricating oil,
grease and other lubricating materials before or during the work
process, so as to form a fluid or semi-fluid film on the friction
interface and play an effective role of lubrication, known as
"general sliding bearings".Such as thick - wall bearing, thin -
wall bearing, etc., belong to the general sliding
bearing.Self-lubricating bearing is a new type of sliding bearing
products, this kind of products use self-lubricating material as a
lubricant or pre-filled with lubricant sealed up, can be used for a
long time, work process without adding lubricant.Among them, the
bearings made of solid self-lubricating materials as lubricants are
also known as "oil-free bearings" because they do not need to add
oil, grease and other traditional lubricants.At present, the main
raw materials used for making self-lubricating bearings in the
world are copper, steel and other metal materials and non-metal
materials, such as polymer products (), graphite.
3. Development of self - lubricating bearings
The manufacture of self - lubricating bearings originated in
England.In the 1950s, (polytetrafluoroethylene) began to be tested
as a bearing material in the UK, and the sintering process of
copper powder also got a breakthrough.In 1956, the world's first
self-lubricating bearing with as lining and steel plate as support
was put on the market.In the late 1960s, self - lubricating
bearings began to enter the aerospace and other cutting-edge
technology applications.Since the 1970s, British self-lubricating
bearing manufacturers have licensed the technology to French,
German, Japanese and American companies, which promoted the rapid
development of the world's self-lubricating bearing industry.
Self-lubricating bearings have gradually entered all mechanical
manufacturing fields.
4. Classification of self - lubricating bearing products
With the development of the self-lubricating bearing industry, the
production technology and materials of self-lubricating bearing are
constantly innovated, and the types of products are gradually
enriched.According to the different product structure and
manufacturing materials, the self-lubricating bearings are divided
into laminated class, single-layer class and other three
categories, which are divided into several subcategories.The
details are as follows:
"Multilayer type" self-lubricating bearing products are composed of
two or more different types of bearing materials, in which the
liner material plays the role of self-lubrication, the substrate
plays the role of support, and other materials play the role of
connection and transition.The lubricating effect of "laminated"
product is good, and its bearing capacity is determined by the
compressive strength of the surface material.According to the types
of substrate and lining materials, it can be divided into metal
substrate and metal lining layer cladding, metal substrate and
non-metal lining layer cladding, and non-metal substrate and
non-metal lining layer cladding.
"Single layer type" self-lubricating bearing products are made of a
type of bearing materials, products rely on the bearing materials
contained in the self-lubricating materials such as graphite,
molybdenum disulphide, polytetrafluoroethylene, lead and so on to
lubricate, according to the type of bearing materials, can be
divided into metal class and non-metal class.Non - metallic single
- layer self - lubricating bearings mainly include integral non -
metallic bearings, non - metallic rolling bearings.Metal class
single - layer bearings mainly include solid - inlaid products and
oil - bearing products."Solid inlaid" self-lubricating bearings are
pre-processed with holes or grooves on the metal substrate in a
certain arrangement, and then solid lubricant is embedded in
them.In the working process, due to the action of friction heat or
ambient temperature, the solid lubricant is slightly prominent on
the sliding surface, and forms a transfer film on the metal
substrate and dual surface through friction, thus playing the role
of friction reduction and wear resistance."Oil-bearing"
self-lubricating bearing is a porous material made of metal powder
pressed and sintered by powder metallurgy process and then filled
with lubricating oil in the pores.Due to the action of friction
heat or ambient temperature, the lubricating oil precipitates out
from the bearing and forms a lubricating film on the metal
substrate and dual surface, thus playing the role of friction reduction and wear resistance.
5.Characteristics of self - lubricating bearing products
Self-lubricating bearings are suitable for places where refueling
is impossible or difficult.Due to the special requirements of
production process, automobile manufacturing, machinery industrial
enterprise of some of the key equipment to run under extreme
conditions, because of the large heavy equipment, high temperature, dust or acidic corrosion
factors such as gas in the air, it is difficult to add lubricating oil for the equipment, so the
rolling bearing or general sliding bearing friction and wear, easy
to have the bearing bite or bite dead, cause parts wear and damage,
lead to equipment shutdown.In order to produce continuous
operation, in addition to the original design requires the
installation of a number of equipment wheel repair, but also a
large number of maintenance personnel, spare parts and energy
consumption.Therefore, automobile manufacturing, engineering
machinery, mold industry and other enterprises have the demand for
special lubricating materials under complex working
conditions.Oil-free can greatly simplify the bearing design and
structure, reduce the cost and save the design time. It can use the
bearing without maintenance or less maintenance, and also avoid the
risk caused by insufficient oil supply.Through the research of
self-lubricating bearing composite materials and self-lubricating
bearing, the publisher has achieved innovative breakthrough in the
material formulation and preparation process, which can solve the
lubrication problem under special working conditions for customers.
Since the self-lubricating bearing does not need oil supply device,
no oil can be added in the working process, so it can save a lot of
installation and operation costs, improve mechanical performance,
improve service life and reliability.Oil-free treatment does not
require waste oil recovery and is also beneficial to environmental
protection.The hardness requirement of self - lubricated bearing
for grinding shaft is low, which reduces the processing difficulty
of related parts.Self-lubricating composite bearing structure, the
surface can be electroplated a variety of metals, can be used in
corrosive medium.In addition, since no oil lubrication does not
exist grease volatilization problem, self-lubricating bearings can
be used in high temperature and high pressure environment.
The performance comparison between the self-lubricating bearing and
the general bearing is as follows:
| Features comparison | Sliding bearing | Rolling bearing |
| Self-lubricating bearing | Plain bearing | |
| bearing | high | high | low |
| speed | Low or medium speed | Low or medium speed | Can be high, medium speed movement |
| The friction factor | small | big | A small |
| Noise | There is almost no noise during the exercise | There is almost no noise during the exercise | Noise is produced when you move |
| lubrication | With or without lubrication | Need lubrication | Need lubrication |
| seal | Seal or not | eed to seal | eed to seal |
| The corrosion resistance | good | good | bad |
| Impact resistance | good | good | bad |
| interchangeability | It can be interchangeable with rolling bearing if the conditions of
use permit | It can be interchangeable with rolling bearing if the conditions of
use permit | It can be interchangeable with sliding bearing if the conditions of
use permit |
| movement way | A straight line, turn, swing, or combination of motion | A straight line, turn, swing, or combination of motion | A single mode of motion in a straight line, turn, or swing
|
| The requirement of shaft | The hardness requirement for the shaft is not high | The hardness requirement for the shaft is not high | Higher hardness of the shaft is required and heat treatment of the
shaft is required |
| Non-standard size customization | flexible | flexible | Trouble and high cost |
Bearing without oil maintenance, wear resistance, heat resistance
and other characteristics greatly expand the range of application
of the product, a lot of ordinary bearings can not be qualified for
the field can use self-lubricating bearings, so the
self-lubricating bearings than ordinary bearings have a broader
space for development.
6.Application of self - lubricating bearing products
Self-lubricating bearings have been widely used in various
industrial fields. The following table shows some typical
application areas of self-lubricating bearings:
| Application industry | Typical application range |
| Automobile manufacturing | Steering system: gearbox, differential, clutch, balance bridge,
lifting lug, etc. |
| Engineering machinery | Engine: connecting rod bushing, throttle body, tensioning wheel,
turbocharger, fuel injection pump, idler wheel, oil pump, rocker
arm bushing, starting motor, etc.Steering system: suspension shock
absorber, steering machine, steering resistance pump, steering
shock absorber, etc. Braking system: pedal assembly, brake shoes, etc. Body: door hinges, trunk hinges, wipers, etc Crankshaft sleeve, guide wheel shaft sleeve, towing wheel, oil
cylinder, operating mechanism, gear oil pump, driving wheel,
passive wheel, rotary table, grab joint, industrial robot arm and
other parts;Lifting machinery, handling machinery, stacking machine
and other joint parts;Hydraulic cylinder, crane operating rod,
transmission parts, etc.Plastic machinery and other parts |
| Mould manufacturing | Die guide, oblique, positioning, guide rail and other parts, tire
mold |
| Hydraulic equipment | Gear pump, plunger pump, vane pump, metering pump, fire pump,
compressor, submersible pump, etc.Oil cylinder, cylinder, ball
valve, butterfly valve, valve control mechanism |
| Light industry | Food machinery, medicine machinery, plastic machinery and other
parts that need to drive |
| Construction engineering | Buildings, factories and other buildings of the shock absorption,
anti-seismic facilities, bridge anti-swelling facilities, cable and
other construction facilities |
| Home and office automation equipment | Joints and reciprocating parts of machines such as fax machines,
duplicating machines, shredders, scanners and printers;Fitness
equipment, doors and Windows open and hinge parts;Washing machines,
air conditioners, refrigerators, microwave ovens, sewing machines,
etc |
| energy | Generator, electric motor, wind power system, dam sluice system,
etc |
| Aerospace and rail transit and other high-tech facilities | Rocket launcher, suit for oxygen bar, magnetic levitation by flow,
high-speed rail car shuttle, lever of satellite antenna, solar
panels and torsional spring hinge mechanism, satellite attitude
control with gravity balance beam expansion mechanism, shutter
temperature-controlled bearings, self-lubricating bearings,
infrared camera optical instrument drive mechanism, the liquid
oxygen pump sliding bearing |
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