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It has two layers – sliding layer and backing layer. Sliding layer consists of filled PTFE Tape. Backing layer has the same structure as T bearing. It has good load capacity with low friction and stick-slip-free operation at moderate speed.
Mostuf composite bearings are filament-wound composite bearings with a self-lubricating inner surface backed with a high-strength, fiber-reinforced thermoset composite. Composite bearings are standard components for manufacturers involved in heavy industrial equipment, farm equipment, pneumatic and hydraulic cylinder manufacturers, as well as valve and actuator manufacturers. Essentially, composite bearings are ideal for high-load, low speed applications or where lubrication is difficult or costly.
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Composite Self-lubricating Bearings
PTFE-based metal-polymer materials:
Our metal-backed, PTFE-based (polytetrafluoroethylene) polymer bearing materials have a common structure, consisting of a steel backing bonded to a porous bronze sinter layer. This bronze sinter layer is impregnated and overlaid with the filled PTFE bearing lining.
The steel backing provides mechanical strength, while the bronze sinter layer provides a strong mechanical bond between the backing and the bearing lining. This construction promotes dimensional stability and improves thermal conductivity.
Thermoplastic-based metal-polymer materials:
CSB-20, CSB-22, CSB80 have a similar structure to the PTFE-based materials described above; but with these products, the bearing lining consists of a filled thermoplastic extruded tape.
These materials are generally designed to operate with marginal lubrication.CSB-20/22/80 are most commonly provided with a uniform pattern of indents in the bearing surface that act as grease reservoirs.
The CSB-22 (PVDF+POM) has lower friction and excellent wear resistance and high temperature bear compare with CSB-20.
2-layer materials:
The CSB-15/12/32 products consists of aluminum/steel/stainless steel as backed material and overlay the PTFE supply lower friction and lower weight, suitable for sports equipment OA machines and automotive industry.
The FR,CSB-3S products consists of bronze or stainless steel alloy mesh and have a special polymer bearing lining containing solid lubricants and fillers bonded to it. The metal mesh supply mechanical strength and support for the bearing lining. This construction allows extremely thin wall bearings and easy to installation.
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Order number Download Width b1 Length L Material
VDI-12-SP2 50 80 Bronze with graphite
VDI-13-SP2 50 100 Bronze with graphite
VDI-14-SP2 50 125 Bronze with graphite
VDI-15-SP2 50 160 Bronze with graphite
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Welcome to RBC's on-line Engineering Data Guide for Fiberglide® Self-Lubricating Bearings. To access critical dimensions and data for your design questions, use the Seach By Criteria section below. If you are uncertain as to which of RBC's Fiberglide® Self-Lubricating Bearings is best suited for your design application, check with our selection guide. To view an entire product series, select a product from the table of contents.
CJS - Journal Bearing Type - Coiled Steel Backing
CJT - Journal Bearing Type - Thin Walled Steel Backing
CJH - Journal Bearing Type - Heavy Walled Steel Backing
CJM - Metric Sized Journal Bearings - Coiled Steel Backing
LJS - Journal Bearing Liner Type - Non-Metallic
FTS - Thrust Washer - Steel Backing
LTD - Thrust Washer - Non-Metallic
FTP & FTT - Thrust Packs
SJR - Sealed Journal Bearings
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Cast iron with graphite oilless bearings
250# material is made of cast iron based metal with special lubricants embedded. The base metal withstands high load and the solid lubricants provide for self-lubrication. The bearing shows excellent performance without pre-lubrication under conditions of extreme high/lower temperature with lower speed.
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DX, DS and Hi-eX have a similar structure to the PTFE-based materials described above; but with these products, the bearing lining consists of a filled thermoplastic extruded tape.
These materials are generally designed to operate with marginal lubrication. DX and HX are most commonly provided with a uniform pattern of indents in the bearing surface that act as grease reservoirs.
The incorporation of PTFE filler in DS enables this material to operate dry when required. Due to the inherent lower friction of this polymer blend, it is usually supplied without indents.
The high-performance engineering polymer found in HX gives this material excellent temperature and chemical resistance combined with good load capacity and is particularly suited for operation under arduous conditions with oil lubrication.
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Simplicity Linear Plane Bearing
The time-tested Simplicity® linear plane bearing has been one of Pacific Bearing Company’s staple products for over twenty years. Originally designed as a solution to catastrophic roller bearing failure, the self-lubricating Simplicity linear bearing has not only met great success in the most contaminated environments, but has helped spawn newer products using the same durable technology: Mini-Rail® and the Uni-guide to name a couple.
Simplicity linear plane bearings contain bonded Frelon® liner; which allows for low friction, long-life, high load capacity, shock absorption and the ability to work in dirty environments. They are size interchangeable and are also available in Standard Inch, Metric, and Japanese Metric sizes.
The Simplicity® product line consists of more than linear bearings, also included are: linear slides, pillow blocks, sleeve bearings, flange mounts, and die set bushings. Most products are available in inch or metric sizes.
Available for use not only in the most contaminated environments, but also the most clean, Simplicity linear plane bearings are the ideal product for a wide range of applications.
• Virtually maintenance free
• Industry interchangeable
• Applicable in dirty and clean environments
• Self-aligning capability
• Low friction and Long-life
• Shock absorption
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Products for (nearly) every purpose
For years, our oilless guide elements have been used in tool and machine construction for linear and rotational motion. The base material is supplemented by solid lubricant depots that take over the lubrication. After the one-time and initial lubrication, these guide elements will be maintenance-free for a long time.
The wide range of this product program offers versatile fields of application. Here as well, special models are according to your own requirements are always possible.
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deva.tex is a high-performance self-lubricating sliding material with a glass-fibre reinforced carrying layer. The machinable sliding layer consists of fibres which are embedded in epoxy resin. The resin carries PTFE as lubricant for excellent tribological performance.
deva.tex bearings are characterized by a very high corrosion and wear resistance. They are insensitive to contamination as well as to vibrations and shock loads.
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Slide bearing
Group 008
# Made from nylon-66 (PA-66)
# Colour: natural
# Suitable for DIN h6-H7 fitting
# Bearing clearance about 1 % of the shaft diameter after assembly
# Also available in assortment box 019
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Sliding Instead of Rolling
DryLin® R linear bearings work through the use of sliding elements, in contrast to the design of recirculating ball bearing systems. In practice, these iglidur® elements made of high performance polymers can be manufactured from all iglidur® materials. Thus, the DryLin® R linear technology has the advantages of all of the different iglidur® bearing materials. iglidur® J is the best material for most linear applications because of its excellent wear and low coefficient of friction. Therefore, DryLin® R linear plain bearings are designed using this material.
The Most Important Properties of DryLin® R Linear Plain Bearings:
- maintenance free
- dirt resistant
- lightweight
- extremely quiet operation
- resistant to corrosion
- high static loading capacity
- resistant to shocks and vibrations
DryLin® R linear plain bearings are designed for dry running. Dirt, dust, and other abrasive media are not drawn into the bearing surface by grease or oils.
In contrast with the recirculating ball bearings, The performance of DryLiny® R bearings is not effected by the length of travel. Therefore, there are no restrictions on minimum stroke length for DryLin® R linear bearings.
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New economic self-lubricating bearings made by kinds of resin with additive fibre as base material produced by injection molding machines. The application for high load with lower speed and lower friction request, like automotive industries, lift machineries, copier, OA machines, sports machines, food industries, chemical machines etc. compare with the metal bushes, the weight and cost is much lower. Suite for large production with low cost and short delivery time.
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deva.metal is a self-lubricating bearing material manufactured by powder metallurgy. It is fully compacted and can be operated with higher loads than oil-impregnated porous bronze. deva.metal is provided with an evenly distributed solid lubricant throughout its metallic matrix.
deva.metal
- is suitable for dry running at slow sliding speeds and high loads,
- is stick-slip free,
- has a high resistance to temperature and corrosion,
- is insensitive to contamination and edge pressures,
- can be easily machined if required.
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The base material for sintered parts such as sliding bearings or other formed parts are iron, bronze, iron with bronze and other metal in powder form. This powder is formed under high pressure in dies into a temperature which is just below the melting point. According to the work condition, the bearings can impregnated different oil or solid lubricants for the self-lubricating.
Sintered self-lubricating bearings are the ideal and economical solution for applications where lubrication is difficult or can not be given.
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OILES 2000
Sintered multi-layered bearing containing dispersed solid lubricant
STANDARD
PRODUCT HALF FINISHED
PRODUCT CUSTOMIZED
PRODUCT
Bearing usable for motions of designated direction with wear resistance
Standard Product INDEX OILES 2000 Bushing CBB
OILES 2000 Bushing (High precision products) CLB
OILES 2000 Flange bushing (High precision products) CLF
OILES 2000 Wear plate General Purpose Type CWP
OILES 2000 Wear plate, 5mm Thick Type CWT
OILES 2000 Wear plate, 10mm Thick Type CWX
OILES 2000 Wear plate, 10mm Thick Type CWA
OILES 2000 Plate material, for additional machining work CWI
OILES 2000 is a composite multi-layer bearing composed of special sintered material used as sliding surface and steel material as backing metal. Sintered layers are of a special copper alloy containing uniformly dispersed solid lubricant, the main component of which is graphite. In addition, these sintered layers have been processed by the oil impregnation treatment, too.
Features:
-Freedom of motions to any direction due to solid lubricant dispersed evenly, with high performance even for very small motions
-Applicable in self-lub state
-Outstanding load durability, velocity characteristics and wear resistance
-Available of standard products with various sizes and plates for additional machining
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With the igubal® type series, a complete system of self-aligning bearing elements are available for the design engineer: Rod end bearings, clevis joints, flange bearings, spherical bearings and pillow block bearings.
igubal® self-aligning bearings are easy to mount, suit all angular variations and in many cases can be replaced by special housings.
The igubal® user utilizes all advantages of the employed high performance plastics. They have excellent vibration dampening properties, and are technically applicable in dry operation. They are insensitive to dirt, can operate in liquids and even in chemicals and are completely resistant to corrosion.
Bearing elements of the igubal® type series are very light, save installation space by their dimensions and save your costs twice: first in procurement and second in operation by the saving of maintenance and installation costs.
Special properties of the igubal® rod end bearings
- Maintenance-free dry operation
- High stiffening
- Very high fatigue strength in varying loads
- Compensation of misalignments
- Compensation of edge loads
- Insensitive to dirt, dust and lint balls
- Resistant to corrosion and chemicals
- High dampening properties
- Suitable for rotary, oscillating and linear movements
- Very low weight
- Dimensional series K and E, dimensions according to DIN ISO 12240
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The CBA Series
The CBA Series, NBA Series and PBL Series together form Alinabal's light spherical bearings line. The CBA Series features a single fractured race and a self lubricating ball. The ball and race are precision ground to assure maximum bearing surface in the load zone
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IKOSpherical Bushings are self-aligning spherical plain bushings that have inner and outer rings with spherical sliding surfaces, and can take a large radial load and a bi-directional axial load at the same time. There are many types of Spherical Bushings, but they are basically divided into steel-on-steel types and maintenance-free types according to the kind of sliding surfaces. Steel-on-steel Spherical Bushings have inner and outer rings of high carbon chromium bearing steel, of which sliding surfaces are phosphate-treated and then dry-coated with molybdenum disulfide (MoS2). They can, therefore, operate with low torque, and have excellent wear resistance and large load capacity. They are especially suitable for applications where there are alternate loads and shock loads. They have wide applications mainly in industrial and construction machinery. Maintenance-free Spherical Bushings consist of an outer ring which has a special PTFE liner reinforce with copper alloy meshes on the sliding surface, and a spherical inner ring of which sliding surface has a hard chromium plating. Creep deformation due to compressive load is small, and wear resistance is superior. Thus, they are maintenance-free and can be used for extended periods of time without re-lubrication. They are especially suitable in cased where fixed directional loads are applied and are used mainly in food processing machines and construction machinery and in other applications in which the use of oil is undesirable or lubrication is not possible.
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OILES 500 Spherical Bearing
Unit Bearing
STANDARD PRODUCT
CUSTOMIZED PRODUCT
Self adjustable type unit bearing applicable to high loads
OILES 500 Spherical Bearing is a self adjustable type unit bearing using OILES 500SP for inner ring and high-carbon chrome bearing steels for outer ring. Coated with molybdenum disulfide. The outer ring is composed of two parts, stabled by a snap ring.
Features:
- According to ISO specification E type with compatible dimensions.
- High in precision.
- Adjustable for large oscillating angle coping with oscillating motion directed to circumference.
- Lasting extremely long without lubrication.
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RBC has been a pioneer in spherical plain bearing technology since
inventing the fractured outer race design many years ago. Since that
time, RBC has continued to introduce industry leading innovations such
as high misalignment, angular contact, extended inner ring, tapered
bore, and extended lubrication groove spherical plain bearing designs.
These advanced products are used wherever pivoting, high load bearing
applications are found. Most typically, RBC spherical plain bearings
are employed in hydraulic cylinder rod ends, vehicle suspensions,
heavy equipment articulated joints, and other severe duty uses.
Industries served include off-highway mobile construction equipment,
large agricultural machinery, mining equipment, forestry products, and
other large equipment requiring bearings that provide misalignment
capabilities while carrying high loads.
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Description of bearing types
Male, female or spherical bearings are ready-to-use mechanical components, based on the journal bearing principle.
These components are used in mechanical construction to transmit static or dynamic forces at different angles.
Male and female bearings are sometimes called tips or ends.
Spherical bearings are sometimes just called bearings.
The design of bearing components is governed by the DIN / ISO 12240 standard, which also specifies the overall and interface dimensions and with neighbouring mechanical components.
Bearing components can be self-lubricating or fitted with grease nipples.
Spherical bearings supplement ball bearings or other casings in slow movements. They are also ale to withstand high loadings because of the larger surfaces in contact..
The body of spherical bearings can be made from various materials: standard steel, high grade steel, stainless steel or aluminium
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Radial spherical plain bearings
Radial spherical plain bearings comprise inner and outer rings with maintenance-free sliding layers of ELGOGLIDE®, PTFE composite or PTFE-bronze film. They can support slight axial forces as well as radial forces and are suitable for alternating dynamic loads. Sealed spherical plain bearings are protected against contamination and spray water by lip seals. Large spherical plain bearings of d = 320 mm and above belong to the premium grade X-life.
Axial spherical plain bearings
Axial spherical plain bearings comprise shaft and housing locating washers with ELGOGLIDE®. They are preferably used to support axial forces and are suitable as support or base bearings. Large spherical plain bearings of d = 220 mm and above belong to the premium grade X-life.
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Steel manufacture with optional PTFE liner available. Improved wear life for use in wide range of temperatures and environments where full rod end is not appropriate - from heavy construction to racing.
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Pivoting bearings DIN ISO 12240-1 (DIN 648)
Rod ends and pivoting bearings are some of the most frequently used linking elements in industry. These parts can be found everywhere where simple movements are required, e.g. linear pulling, pushing or even axle offset compensation. The linking technology specialist, mbo Osswald, provides a particularly wide application range with a whole assortment of different rod ends and pivoting bearings.
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CEROBEAR hybrid spherical bearings offer a low-play and low-friction bearing for highly stressed, three-dimensional mobile joints.
The inner ring of a hybrid spherical bearing can be made of the high-performance ceramic materials silicon nitride (Si3N4) or zirconia (ZrO2). Various stainless aviation steels are used for the outer ring.
The material combination ceramic/steel means that no liner is needed for the sliding contact surfaces, thus producing unbeatable stiffness with minimum friction.
CEROBEAR hybrid spherical bearings are characterized by the following properties:
■ low friction
■ extreme stiffness
■ minimum radial play
■ high load-bearing capacity
■ low wear
■ reduced weight
■ suitable for starved lubrication and dry running
■ prolonged service life
CEROBEAR hybrid spherical bearings are available in standard series or in customized designs for your particular application case.
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The sixteen series of Aurora spherical bearings all incorporate the single-piece race type construction, providing excellent ball-to-race conformity and structural integrity, along with the advantages of metal-to-metal contact between bearing components. Standard race materials are low carbon, heat treated alloy or stainless steel. Balls are precision ground alloy or stainless steel. Metal on metal race units can be re-lubricated through an annular groove in the outer race with two interconnecting holes positioned at 180 degrees, while a self-lubricating PTFE to metal interface may also be optionally specified in many series. Inch or imperial sizes range from 3/16 inch through 6 inch bore, metrics from 3 through 160 mm. In addition to catalog offerings, non-standard materials substitutions and dimensional modifications are possible, to meet specific customer application requirements.
Inch
Aurora Bearing Company produces over a dozen lines of inch dimension spherical bearings. All series, from the economy, light section fractured race GEZ series through the high performance PNB and PWB series feature precision ground heat treated alloy steel balls, and one-piece steel raceway construction. Race materials include low carbon, and heat treated alloy or stainless steels.
Metric
Aurora Bearing Company produces three lines of metric spherical bearings. All feature one-piece steel raceways for maximum structural integrity. Aurora COM-M series bearings are available in sizes from 3mm to 30mm and follow the dimensions of DIN 648 schedule K. Light section fractured race GE series are available in sizes from 12 through 160 mm.
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Spherical Bearings
Alinabal manufactures a complete line of bearings for a variety of needs. Some of our most popular are described below. For more information, a complete catalog, a quote or for custom made parts, please contact us at 1-800-254-6763.
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DIN ISO 12240
Outer race: sintered steel, self-lubrificating impregnated with oil
Ball: bearing steel, hardened, grinded and polished
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Plain bearings, Bushes
