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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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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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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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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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(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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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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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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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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These systems employ round shafting, aluminum bodies and dual, angular contact - sealed for life - roller bearing wheels. Each has built-in preload adjustability. SPEED DEMONS are capable of speeds up to 10 meters per second. SPEED DEMONS are easy to install, lightweight and inexpensive.
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Track rollers for Vee bars/Plain rollers - type FR/LR
The backlash setting and the pre-tensioning of the rollers takes place via the eccentric hub of the rollers of the series FR.., FR..R or LR.., LR..R.
The FR..Z and LR..Z series are the concentric models. In the eccentric rollers, the inner bolts are provided with two holes. These allow for the adjustment of the backlash. If a roller is located in its zero position, the teeth backlash will be the standard value of 0.05 mm flank clearance.
The service life of the system will be reduced by excessive tensioning. With too little tension the rollers will not run, or will wear due to the poor meshing.
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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 bearings offer an easy and economic solution for unlimited linear motions.
Three different types are available:
• Linear bearings with closed design for applications with short strokes and loads from different directions
• Linear bearings with slot and clearance adjustment
• Linear bearings with open design for applications with high and one-sided loads
Whole linear bearing units, partly with several linear bearings one behind the other and with different designs complete our product range.
There are linear bearings made of plastic with load bearing plates of hardened steel or linear bearings with steel body, in standard material or corrosion resistant, with or without sealing, in sizes 2 – 150 mm.
We certainly find the right linear bearing for your application.
Advantages of our linear bearings:
• Easy replacement
• Economy installing
• Self-adjusting for bended shafts
• Smooth running
• High speed applications with high acceleration
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Ball bushing
Slide unit and shaft supporter
A variety of model and size
World wide slaes network
High quality, reasonable price and short delivery time
Strict control quality
High rigidity, High precision retainer, compatibility
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Universally self-aligning these bearings offer a dual track design and load capacities up to 7,760 lbf (30,000N).
* Dual Track Design and load capacities up to 7,760 lbf (30,000N): up to six times the load capacity or 216 times the travel life of conventional linear bearings. That’s twice the load capacity or eight times the travel life of industry standard Thomson Super Ball Bushing bearings.
* A precision super furnished, dual track bearing plate for optimum system smoothness and performance.
* A universal self-alignment feature which compensates for misalignment of housing bores and 60 Case LinearRace shaft deflection, optimizes load distribution between ball tracks, and assures uniform ball loading over the entire length of the bearing plate, minimizing installation time and cost while bearing performance and life is maximized.
* A technologically advanced design that allows the bearing to maintain its diametrical fit-up when installed in housing that is slightly out-of-round.
* Longer travel life and minimal machine downtime when replacing conventional linear bearings or the industry standard Super Ball Bushing bearing.
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Minuteman Linear Bearings™ thrive in applications where the
following situations are present:
Simultaneous linear, oscillating and rotary motion in 1 bearing
Contamination - glass, metal shavings, abrasive dust
High Loads are Present - 10x's more than linear ball bearings
Water, Chemical Washdown/Submersion
Shock & Vibration - Dampens Vibration to Shaft & System
Smooth, Quiet Linear Motion is Required - Medical/Office
Linear & Rotary Motion Together are Required
Shaft Friendly Linear Motion is Required - will not groove shafting
Lower Pricing than Comparable Ball Bushings
Minuteman Linear Motion Bearings™ offer the latest in PTFE Composite technology
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- Stock lengths up to 3 meters
- Custom lengths up to 6 meters
- All steel profile rail for high load capacity
- 50 mm wide steel reinforced belt for heavy loads
- Several motor options available
- Stainless steel available
- T-slots on three sides for mounting and accessories
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Aerotech air bearings are perfect in semiconductor equipment, fiberoptics, photonics, and other critical industrial automation applications. Our air bearings incorporate an active preload on both vertical and horizontal surfaces. Opposing thin-film pressure maintains the bearing nominal gap tolerance. This design, in addition to the large air bearing surface that distributes the load over a large surface area, results in outstanding stiffness that is ideal for heavy or offset loading.
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Stroke is contained within the cylinder itself for space saving advantage. Allows force to be applied in both directions. Load capacities up to 8032 lbs. Handles high, off-center loads with consistently smooth operation. Recirculating ball-bearing system for wear resistance and repeated accuracy. Low breakaway. High bending moment capacity. Cost-effective alternate to auxiliary rail systems.
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