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Linear guidance systems with linear recirculating ball bearing units comprise ball bearing units, carriages and guideways. They allow large support distances, have adjustable clearance and are to standard accuracy class G3.
The full complement bearing units run on one or both sides of the guideways and, despite their small dimensions, have high load carrying capacity. If the bearing units are screw mounted in carriages, together with the guideways they form four-row linear recirculating ball bearing and guideway assemblies. The ball bearing units are sealed on all sides by the wipers on the end faces and on the sealing strips which form a gap seal in conjunction with the guideway. Linear recirculating ball bearing units can be relubricated.
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Linear roller bearings are suitable in conjunction with guideways for locating/locating or locating/non-locating bearing arrangements and form a bearing arrangement system for linear motion with unlimited stroke length. In closed arrangements, they can support loads from all directions and moments about all axes. Their load carrying capacity is extremely high and the space required is very small. The guidance systems can be preloaded by adjusting gibs and have extremely high rigidity when preloaded.
Since the guidance elements have a versatile range of possible arrangements, linear recirculating roller guidance systems are suitable for numerous applications in general machine building, especially for linear guidance systems in machine tools where high guidance and positioning accuracies are required over long traverse distances.
The range is supplemented by adjusting gibs for precise setting of the preload, setting devices for measuring the deformation of the adjacent construction where preload forces must be supported and adapters for easy mounting of the linear roller bearings in a 45° arrangement.
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mk linear motion
mk linear motion stands for customised glides, track rollers and recirculating ball bearings which set themselves apart through precise running and high reliability during use.
You can choose between profile tracks, linear tracks and linear modules for handling applications with high repeatability and accuracy - carriages, pneumatics or motors on request.
Recirculating ball bearings:
- Can be loaded in all directions
- High loading capacity
- Compact construction
- One track for different carriage types
- Medium to high acceleration and speed
- High precision on appropriate connection surfaces
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BALL BREARINGS LINEAR RAILS are made of RUNNER that moves in a fixed RAIL.
Designed for load capacity from some kg to 600 kg PER RUNNER, the common length of the rail is 3 meters. It can be 5 meters for some references. Should some applications need very great lengths, the rails can be prepared for an end to end mounting.
Linear rails is the optimum solution for protective or access DOORS applications (machine tools, vehicles, trains or subways) .
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(A Bearings) Original precision anti-friction linear bearing all steel construction with load capacities up to 5,000 lbf and high operating temperature capabilities.
A coefficient of friction as low as .001. When replacing high friction plain bearings, Precision Steel Ball Bushing bearings dramatically improve machine productivity and efficiency.
All-steel construction, for maximum system rigidity.
Two accuracy classes allowing for immediate improvements in system positioning and repeatability.
Availability in fourteen bore sizes and nine configurations.
The RoundRail Advantage which minimizes installation time and cost.
Steady state travel speeds up to 10 ft/s and accelerations to 450 ft/s2 without the use of derating factors.
An operating temperature up to 600 degrees F.
Availability in a self-aligning pillow block housing for ease of installation and use.
Worldwide availability from over 1800 authorized distributors.
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NB's long standing technological leadership in Slide Way product, has brought about a new product to address radius movement. NB's GONIO WAY (RV type) is a non re-circulating crossed roller bearing providing low friction radius movement. The RV type is ideal for applications where sweeping movement or precise angular positioning is required without changing rotation center, such as in optical equipment and measuring devices.
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YT...Series single edge linear rails
YT Series single edge linear rails are made of high-quality carbon steels. They are easy to mount with flexible application.
YITONG can supply two kinds of rails:
-Economical type (type YTS)
-Case-hardening with ground (type YT)
Custom drilled holes are available.
IDS & ODS linear guide rails
YITONG IDS (Inlay Dual Shafts Guide System) & ODS (Outlay Dual Shafts Guide System) consists of sliding carriage and rails.
The rails include an aluminum body and two pieces high precision%uFE51hardened linear shafts that are inlaid into the aluminum body.
The sliding carriage is mounted with three pieces or more high quality LFR series track rollers, two rollers are fixed on the block, and others are all with eccentric functions.
IDS & ODS have a low coefficient of friction and good performance in high speed and high accelerations.
The guide rails and the carriage block are all drilled with mounting holes, easy for mounting.
IDS & ODS are easy to get a proper preload by adjusting the rollers with eccentric functions.
IDS & ODS have a long service life. Track rollers are available on stock for customers' replacement.
Custom drilled services on the rails are also available from YITONG.
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Compact Design, Precise Action
SEB Series / SER Series
The NB SEB/SER Miniature Guide are engineered to be compact and light weight to ensure precise linear operation at high speeds. The SEB Slide Guide uses precision-machined steel balls as rolling elements promoting exceptionally low resistance with smooth, stable operation at low cost. Likewise, the SER Slide Guide uses precision-machined cylindrical rollers, ensuring high rigidity and high load capacity with low noise.
High Load Stability, Easy Installation and Maintenance
GL Series/SGL Series / SGW Series
The NB "high load" GL/SGL/SGW Slide Guide is designed to maintain stability under extremely high load conditions. The use of 4 ball circuits and arch ball groove design stabilitizes uneven multidirectional load factors and assures smooth continuous movement throughout the work cycle.
The GL/SGL/SGW bearing block incorporates a ball retainer, permitting the block to be easily removed from the rail. This allows for ease of maintenance and assembly of your machine. The "pre-seals" are designed specially for this Slide Guide, providing superior lubrication retention over long periods of operation.
An optional feature available is the Raydent. This treatment is applied to both block and rail which will provide for a highly dependable and proven anti-corrosion protection package. This feature is found to be idealistic in clean room applications.
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NB slide guides are high precision and high rigidity linear bearings designed to utilize the motion of rolling elements. They have numerous advantageous characteristics, including low friction, no stick/slip , and smooth linear motion even under high load conditions. The applications range from general industrial to precision machinery.
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Yitong linear guideway – Compact rails - miniature linear guide.
Yitong compact rail linear guide system consists of a separated sliding carriage and a guide rail.
The guide rail is made of high quality carbon steel.
The sliding carriage is mounted with three pieces or more high quality LV series track rollers, two rollers are fixed on the block, and others are all with eccentric functions.
The sliding carriage could be dismounted from the rail very easily, which makes this guide system extremely convenient in mounting and adjusting.
The guide rails and the carriage block are all drilled with mounting holes, easy for mounting and less space required.
The preload of this Compact rail system could be adjusted freely to meet various application requirements.
This Compact rail system has a long service life. Track rollers are available on stock for customers’ replacement.
Custom drilled services on the rails are also available from YITONG.
Designation:
LTV-28-XXXX-X
LTV Code of Compact linear rails
XX: Width of the rail, e.g. 28 means the width 28mm.
XXXX: Length of the rail (mm).
X: Number of the rollers mounted on the carriage, 4 means 4 pieces (standard type is mounted with 3 pieces of roller, not specified.)
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YITONG can supply various accessories, such as bushings, pivots, studs and bolts, which suit for the Rollers or Bearings edited into our catalogue.In general, these accessories are according as its mount method specified by users to determine their profiles and sizes. YITONG have set up a seriation to these accessories and designated by B.. Following the letter B, the various numerals indicate that the accessories are applied to the different series of Rollers or Bearings and their internal diameter as well as mount method respectively.
YITONG adopt a lot of materials, e.g. carbon steel, stainless steel to manufacture these accessories, and use different method, for example blackening, zinc-plated and nickel-plated etc. to treat their surface.
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A wide variety of linear motion slide units are available. Their high precision blocks increase the accuracy of machinery and other equipment.
A resin block can reduce cost and weight. The use of standard shaft end supports and shaft support rails simplifies the components.
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Track rollers are self-retaining, single or double row units with particularly thick-walled outer rings. These bearings can support axial forces in both directions as well as high radial forces. The bearing outer rings have a crowned or cylindrical outside surface. Designs with a crowned outside surface are used where there is misalignment in relation to the raceway and edge stresses must be avoided. The track rollers are available with an inner ring, with a stud and with a plastic tyre on the outer ring.
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rod end housing:
forged steel, tempered, case hardened, bearing race, ground and lapped, rolled thread, surface galvanized
inner ring:
ball bearing steel, hardened, superfine ground
lubrication:
Polyrex EP2 or soap complex
temperature range
-20 °C to +120 °C
lubrication nipple:
DIN 3405 D1/A (sizes 1/4 to 3/8)
DIN 71412 H1 (sizes 1/2 to 1/1)
bearing clearance:
15 - 40 µm radial
tolerances:
view
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DURBAL heavy-duty rod ends with integral self-aligning roller bearings, Series BRTM, BRTF
The design based on the structure of a self-aligning roller bearing is preferably used for high speed, large tilting angles or rotating motion with medium loads. Compared to rod ends with selfaligning ball bearings, rod ends with selfaligning roller bearings have essentially higher basic load ratings. This design is equipped with a cage to minimize the rolling friction and heat built-up. These rod ends are under normal operating conditions maintenance-free. A Grease nipple is provided for lubrication in case of rough operation and maximum load. To avoid incompatibility with the initial lubrication, we recommend lubricating with a calcium-complexsoap- grease or Polyrex EP2. Shields on both sides prevent dirt particles from penetrating into the bearing. The rod ends with selfaligning roller bearings are, just as the design with self-aligning ball bearings, subjected to a special heat treatment procedure to match the racway hardness to the antifriction bearings, ensuring at the same time a high stability with changing loads and temperature.
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rod end housing:
forged steel, tempered, rolled thread, surface galvanized
joint ball:
ball bearing steel, hardened and ground, surface superfinished and chromium plated
race:
Nylon/Teflon/Glass compound
tolerances:
view
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General description:
Let the industry leaders adapt or design a rod end to meet your unique requirements.
From a simple modification of an existing design to a completely unique concept, Alinabal engineers can give you the ideal configuration for your application.
Some of the options available include:
- Variations in shank or stud length
- Variations in ball bore dimensions
- Enhanced plating or corrosion resistance
- Metric dimensions
- Special materials such as stainless steel
- Sealed Rod Ends - In addition to the above, Alinabal has unmatched experience in the area of sealed rod ends. Using rubber or synthetic materials, Alinabal can design and produce rod ends fully protected from contaminants for greatly prolonged life in service.
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Rod End : Female
The ASW series is Aurora’s line of female rod ends manufactured to SAE-AS 81935/2-03 through SAE-AS 81935/2-16, and are fully approved for procurement under those specifications.
In addition to the mil spec approved rod end configurations, non-standard materials substitutions and dimensional modifications are possible, as are variations in no load rotational torques to meet specific customer application requirements.
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Rod Ends: Male
The ASM series is Aurora’s line of male rod ends manufactured to SAE-AS 81935/1-03 through SAE-AS 81935/1-16, and are fully approved for procurement under those specifications.
In addition to the mil spec approved rod end configurations, non-standard materials substitutions and dimensional modifications are possible, as are variations in no load rotational torques to meet specific customer application requirements.
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From our original offering of one series of rod ends, the Aurora line now encompasses over 30 different standard series of rod ends in inch, or imperial, and metric dimensions.
All feature one-piece, full-swage steel raceway construction, with the exception of the SPM/SPW series, which feature a proprietary low friction high wear resistance molded liner. Aurora PTFE liners are available in most series. From the economy commercial CM series through the performance racing PRM series, Aurora Bearing Company has a standard catalog series bearing for every rod end need. In addition to catalog offerings, non-standard materials substitutions and dimensional modifications are possible, to meet specific customer application requirements.
Inch
The Aurora Bearing product line features over twenty different series of rod ends in inch, or imperial, dimensions. Products range in bore size from 1/8 to 2 inch, with threads from 6-32 through 2”-12. All feature one-piece, full swage steel raceway construction, with the exception of the SPM/SPW series, which feature a proprietary low friction high wear resistance molded liner.
Aurora PTFE liners are available in most series.
Metric
Aurora features 5 lines of metric rod end bearings. These range from the economy/commercial through to the high strength AM/AW-M series. All feature one-piece, full swage steel raceway construction. Dimensions follow DIN 648 schedule K. All series, with the exception of the CM/CW-M, are available in fine thread styles as well. Products range in bore and thread size from 3mm through 30mm. On most series, PTFE liners are available.
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The Diabolo rollers are special arranged in the meat hook that running on a long tubular rail in the Abattoirs. These rollers feature to accept high carrying loads and to have long service life. The rollers have different hardness in external profile surface and internal structure so that the rails are prevented from wear in operation. These rollers are filled with high-grade grease which can run in the range - 40°C to + 180°C with waterproof & anti-washing function.
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YTGW Guide Wheels are the main components of the Linear Motion system, they can be widely used in the industrial robot, cutting machine, motion track, production flow and so on.
The surface of outer ring is the "W" profile formed by the two "V" with an angle of 90 degrees. The internal or external side face can be matched separately with the concave or protrudable track that both have a "V' profile with the angle of 90 degrees, and also the internal side face can be matched well with the cylindrical track.
Wheels feature the internal design of double row angular contact ball bearing and a thick-walled outer ring, so the wheels can accommodate higher loads.
Wheels are made of the high-quality bearing steel, processed by heat treatment and precision grind, and are filled with a long service life, high-grade and multi-purposes grease. Wheels mantle the metal shield or rubber seal (suffix X) to prevent the dust. YITONG also can provide the wheels with the concentric or eccentric bushings, as well as the wheels made from the corrosion resistance stainless steel.
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Wire Guides and Straightening Rollers - type A or AT
Field of Application :
The straightening of cables, strips and wires is performed in steps with successive stages until the final product is obtained. To rationalize the handling between the different steps the material is stocked on reels or on bobbins and takes forms which are not natural.
For every production step, it is therefore necessary to carry out the inverse process by taking the material off its support. At that moment, the straightening operation takes place. It may be divided into three steps:
The straightening, consisting of putting the material back into its original shape. The operation is carried out by the first straightening rollers.
The removal of the residual constraint in the material, due to the winding on the bobbin. This operation is performed by the rollers located in the central part of the straightener.
The forming of the wire carried out by the last rollers on the straightener, generally placed at an angle of 90°compared to the angle of the first rollers.
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Track rollers with Gothic arch groove - type SG
The function of series SG rollers is same as the series LFR rollers. But they are mainly used in the flat track and in the condition required compact structure. After rollers are installed to the slider, the shaft will be not or seldom over the roller's side planes.
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