They can be modified with accessories in the field without removing the carriage. The model was verified by comparing the simulated displacements of a. The system runs with low noise even under heavy loads. THK. VEVOR Linear Rail 2X 20-1500mm Linear Slide Rail + 4X Pillow Block Carriage Bearing Block Linear Guideway Rail for Automated Machines and Equipments (20) 124. Choose from our selection of linear rail bearings, including ball bearing carriages and guide rails, mounted linear bearings, and more. They can be modified with accessories in the field without removing the carriage. This is why profiled rails can only be used in. Product Range: Power Transmission: Product Set: Linear Motion: Type: Ball Bearing Systems. Rollers are permanently lubricated to save maintenance time and effort. Linear Bearing Rails - Mini-Rail® Linear Guide Rail (metric) -- S64AMRMB07085. com +86-578-2950898. 9 products. Made of stainless steel, these carriages and guide rails are more corrosion resistant than steel carriages and guide rails. It is the part that supports the tool. Straight rails have close tolerances that support high loads and provide precise ball movement. Choose from our selection of linear guide bearings, including over 550 products in a wide range of. Standard carriages are narrower than flanged carriages, making them. At Rollon,. Rail length: 335 mm. Linear motion products are used in conveyors and assembly operations to provide movement in a straight line, including rolling elements in a raceway or guide rail. High-Cycle Extra-Wide BallBearing Carriages and Guide Rails. Almost all carriages, rails and rolling elements are through hardened. $24. The lubricant in these mounted ball bearings is NSF registered H1 and FDA compliant for incidental contact with food. This linear guide is cost efficient due to the use of bended steel. Mount to vertical surfaces for applications where tight tolerances aren't required. They're good for use in areas where multiple carriages or rails won't fit. Extra-Wide Ball Bearing Carriages and Guide Rails. linear guide with ball bearing KUEM series. Carriages have a wide base for stabilizing moment (twisting) and off-center loads better than standard sleeve bearing carriages. In most cases drylin® plastic bearings technology is 4 times quieter (-20b) compared to metal. In stock and ready to ship. Guide Rail Carriages. A handle on the side of the carriage locks the carriage in place. Mounting hole plugs protect mounting fasteners from corrosion. Special Offer: Clearance. Here's how bearing construction affects moment and load capacity. It's so anoying that some linear carriages may be move as smooth as expected. Soldering Fixture. Quick-Mount Standards and Shelf Brackets. The place pointed by the arrow in the. With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than other carriages and rails. 3,794 products. KUVE linear recirculating ball bearing and guideway assemblies are suitable for acceleration values up to 150 m/s2, speeds up to 300 m/min. Ball-bearing carriages and rail systems create less friction and resist misalignments. In stock and ready to ship. Designed to lubricate linear motion components, such as slide bearings, guides, and ball screws, these guns work exclusively with THK grease cartridges and fittings. An inconsistent diameter of a few balls in the carriage. They're good for use in areas where multiple carriages or rails won't fit. Load Fastening from Bottom. One type of linear ball bushing guide is not necessarily easier to use than another, the choice depends entirely on the specifi c application. Material sliding element: iglide® J. Typical uses include automation systems, robotics, medical equipment, and transport-type machinery. Choose from our selection of locking rails, including over 150 products in a wide range of styles and sizes. The following is an example of how to calculate the preload of a carriage. ANWOK 2Pcs Linear Guide Rail HGR20-800mm with 4Pcs HGH20CA Square Type Carriage Bearing Block Linear Rail Set Slide Guide Rod Overall Length 31. Ball Bearing Carriages and Guide Rails for Curves. High-Cycle Extra-Wide BallBearing Carriages and Guide Rails. In general, a particular square-rail component might cost more than the round, but other requirements and the total system cost need to be addressed. Guide Rail Carriages. Linear motion guide slides are the ones which are also termed as square rail linear bearings and is found including a guide rail along with the carriage unit. With a larger contact area than ball bearing carriages, roller bearing carriages provide better positioning accuracy and support heavier loads. Profile-rail bearings tend to be more compact than round ball-bushing bearings of the same load rating. drylin® Q flange bearing, square flange, twin. In stock and ready to ship. Ball-bearing carriages and rail systems create less friction and resist misalignments. Image credit: THK Co. 00 - $9. In stock and ready to ship. …a self-lubricating carriage and rail to bring motion to your designs—rather than ball bearings in traditional slides and linear track systems. Partial-Extension Lock-Open Drawer Slides. Simple Slide Positioning Unit. High-Cycle Ball Bearing Carriages and Guide Rails A plastic cage surrounds the ball bearings and keeps them from colliding, so these carriages run for many cycles without needing maintenance. NLGI viscosity grade is a rating of a grease's consistency. Material: Steel. Extra-Wide Ball Bearing Carriages and Guide Rails. Ball Bearing Carriages and Guide Rails for Curves For smooth, accurate movement around curves and loops, these carriages have ball bearings that work well in high- speed, high-load applications. Support higher loads than ball bearings, but run at lower speeds. Convenient for use with devices such as grippers and printing heads, these air slides have a nonrotating head that provides steady motion and a large mounting area. A plastic cage surrounds the ball bearings and keeps them from colliding, so these carriages run for many cycles without needing maintenance. Ball-bearing carriages and rail systems create less friction and resist misalignments. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support. Mount in any orientation without affecting load capacity. High-Cycle Ball Bearing Carriages and Guide Rails. High-Cycle Extra-Wide BallBearing Carriages and Guide Rails. Carry loads. Mount components to these load-rated bearings and track rollers to add linear motion along T-slotted rails. They're good for use in areas where multiple carriages or rails won't fit. High-Cycle Extra-Wide BallBearing Carriages and Guide Rails. $24. Slides only extend 3/4 of the closed length to reduce the chance that a heavy load will tip your cabinet. In stock and ready to ship. Help with linear rail blocks getting stuck. High-Cycle Ball Bearing Carriages and Guide Rails. Positioning Slides for Stepper Motors. Guide Rail. Global Standard Interchageable Linear Guide Ball Carriage for Profile Rail - Series: HSR-C, Flanged Block Mounted from Top or Bottom, 15 mm Rail, 47 mm Wide x 56. There is play between the screw and the fastening hole to allow the rail to. 002. Guide-Rail Way Wipers. Extend the horizontal reach of your Universal Robots’ arm to operate your robot at multiple positions along an assembly line, or transport workpieces from a conveyor to your CNC. If the bearing is broken, as long as the guide rail is not damaged, as long as a new sliding parts can be replaced. In. Free shipping. Semi-automatic Grinding Device. Open Linear Ball Bearing Slide Block Carriage Slider for Rail Guide CNC, HGH20CA, 20mm. However round-rail designs, with a ball-bushing bearing riding onWhen it comes to 9 Wide Linear Guide Rails, you can count on Grainger. The main advantage of gantry rails is the use of unused overhead space. Flanged-Wheel Flow Rails. Soldering Fixture. These double row angular contact ball bearings have an outer ring with a gothic arch profile raceway,. With a plastic cage that surrounds the ball bearings to prevent them from colliding, these extra-wide carriages run quietly for many cycles without needing maintenance. Automation. A: drylin® rails and slides offer a significant amount of noise reduction compared to recirculation ball bearing systems. As with other bearing designs, linear bearings can be sealed off using metal or rubber. Corrosion-Resistant Side-Mount Track Roller Carriages and Guide Rails. The coefficient of friction for ball style carriages is 0. BROWSE CATALOG Thomson linear guide rails and carriages are designed to precise linear motion for various applications, such as machine tools, semiconductors and medical equipment. With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than other carriages and rails. 84 $ 15. Straight rails have close tolerances that support high loads and provide precise ball movement. 329 products. In light load applications seal drag, lubrication viscosity, preload, and other factors affect the total actuation force. Ball-bearing carriages and rail systems create less friction and resist misalignments. Zaber's LC40 Series of linear guides are recirculating ball bearing guides designed to interface seamlessly with most 40 mm T-slot extrusion framing systems and accessories. JFB Graphite Lubricant Bronze Bushing is a Oilless self-lubricating beaings. . From our selection of linear motion guides, there are goods that are ready to ship. Ball bearings provide accurate movement and positioning at high speeds under heavy loads. Ball Bearing Carriages and Guide Rails for Curves For smooth, accurate movement around curves and loops, these carriages have ball bearings that work well in high- speed, high-load applications. block body in standard version Overall length of the runner block = 73. For smooth, accurate movement around curves and loops, these carriages have ball bearings that work well in high-speed, high-load applications. Description Material: Steel. BROWSE CATALOG Positioning Slides for Universal Robots. They can be modified with accessories in the field without removing the carriage. Lubricate bearings . T-Slotted Framing LinearBearings and Track Rollers. Slides, Track, and Rollers. 08 x 21. Straight rails have close tolerances that support high loads and provide precise ball movement. Compact linear motion system can match with servo. Ball bearings provide accurate movement and positioning at high speeds under heavy loads. These guides fit most band saws. Ball-bearing carriages and rail systems create less friction and resist misalignments. Precision Positioning Slides. Choose from our selection of track rollers and guide rails, track roller carriages and guide rails, ball bearing carriages and guide rails, and more. Mount components to these load-rated bearings and track rollers to add linear motion along T-slotted rails. PSF - Size of the guide rail (L= 4000 mm) Linear guide rails LFS L= 298 to 2998 mm (in 100 mm steps)Complete Linear Rail Kits: This linear guide rail set includes 2 pieces of 66. This is why profiled rails can only be used in. IVTAAG carriages are available with a wide variety of accessory options for your specific application. Made of stainless steel, these carriages and guide rails are more corrosion resistant than steel carriages and guide rails. These 500 series profile rails guide single or multiple ball carriage systems. This reduces the noise, heat, friction, and dust they produce, so carriages can travel back and forth along the rail many times. In stock and ready to ship. Anti-Reflective Miniature Ball Bearing Carriages and Guide Rails. Use them in areas where multiple carriages or rails won't fit. 8 of the Linear Guide Catalog should be used for relubrication. Straight rails have close tolerances that support high loads and provide precise ball movement. 42 New. Ball-bearing carriages and rail systems create less friction and resist misalignments. These 500 series profile rails guide single or multiple ball carriage systems. Track Roller Carriages and Guide Rails Ball Bearing Carriages and Guide Rails for Curves For smooth, accurate movement around curves and loops, these carriages have ball bearings that work well in high- speed, high-load applications. When it comes to 5 Linear Guide Rails, you can count on Grainger. X-Axis & Y-Axis Rack & Pinion, Made In USA. Add guide rail bellows to protect rails from contaminants as. Typically the more expensive of the two options, profiled rail has a higher load capacity and much tighter accuracy. High-Cycle Extra-Wide BallBearing Carriages and Guide Rails. Slide drawers, panels, and doors with these tracks and rollers. They are used in applications where precise movement of small loads is critical, such as medical diagnostics, test and measurement equipment, semiconductor processing, and micro manufacturing. Application. Load: 14,700 N - 159,600 N. Steel. Ball Bearing Carriages And Guide Rails (2291 products available) Chinese Brand 25mm HGH25CA Linear Ball Bearing Linear Carriage Block Linear Guide Rail. These track roller carriages and guide rails are stainless steel for use in wet, corrosive environments. Made of stainless steel, these carriages and guide rails are more corrosion resistant than steel carriages and guide rails. Mount in any orientation without affecting load capacity. Choose from our selection of ball bearing carriages and guide rails, mounted linear bearings, drawer slides, and more. Hide Filters. Ball bearings provide. Choose from our selection of track roller carriages and guide rails, track rollers and guide rails, ball bearing carriages and guide rails, and more. These are the basics which are adjusted and tweaked to fulfill a wide array of manufacturing and industry needs. Linear motion bearings are bearings that are made to move in a particular direction, and they come in a wide array of different designs. With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than other carriages and rails. The easy way out is to design a linear guide system based on ball bushings, which can tolerate imprecise mounting and other misalignments. Flanged Track Rollers. Slides, Track, and Rollers. With PTFE sleeve bearings and a low-friction ball screw, these slides don’t require the mess and maintenance of lubrication but still give you precise positioning anywhere along the length of their stroke. 7 kN. Ball Bearing Carriages and Guide Rails for Curves For smooth, accurate movement around curves and loops, these carriages have ball bearings that work well in high- speed, high-load applications. These 500 series profile rails guide single or multiple ball carriage systems. Roller rail systems +++ +++ Position measuring function optional Clamping and braking units optional Machine tool, Measuring machine Configurator & CAD files : Miniature ball rail systems + +-Microelectronics, Medical technology, Optical industry Configurator & CAD files : Cam roller guides---Applications with high speed ≤ 10m/s Configurator. In stock and ready to ship. Steel ball bearings are quite common, but plastic linear bearings and guides are increasingly tough so their use is on the rise. Side-Mount Ball Bearing Carriages and Guide Rails. A bold yet versatile movement solution, the FG115 uses a self-lubricating carriage and rail to bring motion to your designs—rather than ball bearings in traditional slides and linear track systems. With a plastic cage that surrounds the ball bearings to prevent them from colliding, these extra-wide carriages run quietly for many cycles without needing maintenance. With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than other carriages and rails. Their V-shaped rails allow them to operate well in dirty environments because the debris won’t get trapped on the rail. Miniature linear guide rail and carriage assemblies consist of low-profile guide rails matched with compatible single or dual carriages. Mount components to these load-rated bearings and track rollers to add linear motion along T-slotted rails. This grease fills in those imperfections so carriages roll smoothly. Side-Mount Ball Bearing Carriages and Guide Rails. An internal reservoir continuously supplies grease for maintenance-free operation, making them great for hard-to-reach places. A plastic cage surrounds the ball bearings and keeps them from colliding, so these carriages run for many cycles without needing maintenance. Choose from our selection of roller bearing slides, including ball bearing carriages and guide rails, telescoping slides, and more. High-Cycle Ball Bearing Carriages and Guide Rails A plastic cage surrounds the ball bearings and keeps them from colliding, so these carriages run for many cycles without needing maintenance. 334 products. SEB miniature guide rails pair with SEB type ball bearing carriages to create a lightweight, compact guide system with a low profile that fits in tight spaces for. Tracks inductively hardened and ground. MI ITEM 11106538. Mount in any orientation without affecting load capacity. 00 to $258. Sets include an upper and lower track for hanging lightweight cabinet doors that slide past each other. These 500 series profile rails guide single or multiple ball carriage systems. Choose from our selection of sleeve bearing carriages, including over 600 products in a wide range of styles and sizes. In the example above, if the applied. These 500 series profile rails guide single or multiple ball carriage systems. Eject the plastic block in the slider. Choose from our selection of rail bearings, including ball bearing carriages and guide rails, track roller carriages and. New NSK LAH15EM Linear LM Guide Rail Bearing Block LAH15 x1ea. Bearing ball material: chrome steel vs stainless steeldrylin® T Miniature Adjustable Carriage. Guide Rail Mounts for T-Slotted Framing Adapt most 15 mm guide rails to fit on T-slotted assemblies. They can be modified with accessories in the field without removing the carriage. Roller Bearing Carriages and Guide Rails. Sizes 07/09/12/15mm (mounting-base width) Available up to 2000mm lengths. Straight rails have close tolerances that support high loads and provide precise ball movement. 4lbf*ft) (size 20) Torque-resistant sliding elements made from iglide® J. drylin® T Standard Carriage. With a plastic cage that surrounds the ball bearings to prevent them from colliding, these extra-wide carriages run quietly for many cycles without needing maintenance. Support higher loads than ball bearings, but run at lower speeds. Choose from our selection of roller bearing slides, including ball bearing carriages and guide rails, telescoping slides, and more. Supplier: Stock Drive Products & Sterling Instrument - SDP/SI. Made of stainless steel, these carriages and guide rails are more corrosion resistant than steel carriages and guide rails. Figure 3: Profile rail bearing linear guide Profile rail bearing systems Profile or square rail systems offer higher accuracy, higher rigidity, higher load-life capacity, and are also very compact. Small enough to fit in a camera zoom lens and other precision motion applications, these carriages and guide rails have a black chrome-plated finish that diffuses light to prevent reflecting light from causing equipment to malfunction. For drylin® Standard guide rails 15/20/25/30mm (guide widths) Adjustable bearing clearance. 0 mm Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy. Preload = 1. All of these carriages have a wide base and low-profile design to stabilize moment (twisting) and off-center loads. Rail Length: 300mm (11. In stock and ready to ship. Mechanical Drive System. Linear System: All Axis On Precision Ball Bearing Carriage Guide Rails Mechanical Drive System: X-Axis & Y-Axis Rack & Pinion, Made In USA Mechanical Drive System: Z-Axis – Full CNC’d Billet Precision Ball Lead-Screw System Interface: Linux OS Motion Accuracy: (+) or (-) 0. Add guide rail bellows to protect rails from. Maximum moments up to 3 Nm (size 10) and up to 10 Nm (7. With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than standard carriages and rails. Rail width: 30 mm - 116 mm. Straight rails have close tolerances that support high loads and provide precise ball movement. can be customized according to customers requirement. SKF. They're good for use in areas where multiple carriages or rails won't fit. 001 to . The mounting holes will be centered along the rail. Ball Bearing Carriages and Guide Rails for Curves. Track Rollers and Guide Rails Positioning Slides for Stepper Motors. Gantry Rails. High-Quality Steel Material: The linear motion slide rails are made of high-quality 55C steel, and blocks are made of GCr15 ball bearing steel and PA66, an excellent non. 871 products. System Interface. Also known as profile rails, they keep carriages aligned and guide them short and long distances with minimal friction. Clean Room Ball Bearing Carriages and Guide Rails. Linear carriage for linear rail guides. Dry-Running Positioning Slides for Stepper Motors. The HGR25 Linear Rail has great performance and capability of making very accurate and stable CNC Machines. The place pointed by the arrow in the. With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than other carriages and rails. Blocks are pre-loaded ; There are two rubber stoppers on each side of the linear rail, it can prevent the carriage block from falling out ; Suggested to use M3 T nut and screws if you fix it to 20 series EU. With PTFE sleeve bearings and a low-friction ball screw, these slides don’t require the mess and maintenance of lubrication but still give you precise positioning anywhere along the length of their stroke. 99. Linear Rails. MGN carriages feature two bearing raceways, while the HG series goes up to four which provides lower friction. 329 products. Linear motion guide bearings can provide great accuracies, stiffness and load carrying capacity. A plastic cage surrounds the ball bearings and keeps them from colliding, so these carriages run for many cycles without needing maintenance. Ball Bearing Guide Rails: See our selection Product facets. For made-to-order guide rails, please specify the length of. As the customers' requirement 3. Linear Slides & Carriages are a type of mechanical device used to move or guide objects in a linear motion. Thick grease that prevents the balls from rolling freely. They're good for use in areas where multiple carriages or rails won't fit. With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than other carriages and rails. Suitable for clean room use, these carriages and guide rails are made entirely of stainless steel. Choose from our selection of ball bearing carriages and guide rails, mounted linear bearings, drawer slides, and more. In stock and ready to ship. The ball guide or bearing rail, shaft, or aluminum surface will support the bearing and is typically available in standard steel, stainless steel, Armoloy plated, or chrome plated. Shop Linear Guide Rail - Profiled, Ball Guide Rail from Bosch Rexroth. Mount to vertical surfaces for applications where tight tolerances aren't required. Ball Bearing Carriages and Guide Rails for Curves. The sleeve bearings allow them to outperform ball bearings in wet, dirty, and high-vibration. Made of stainless steel, these carriages and guide rails are more corrosion resistant than steel carriages and guide rails. Carriage. Use it to prevent wear and corrosion to keep carriages, guide rails, slides, tracks, and ways fast and accurate. Guide Rail. Sets include an upper and lower track for hanging lightweight cabinet doors that slide past each other. Wipers sweep away dust. Download 3D CAD models. Guide Rail. 002 to 0. Choose from our selection of linear motion guides, including ball bearing carriages and guide rails, track roller carriages and. Positioning Slides for Universal Robots. THK America Official Online Store264 products. In general, a particular square-rail component might cost more than the round, but other requirements and the total system cost need to be addressed. CSN. Ball-bearing carriages and rail systems create less friction and resist misalignments. On request: Roller carriages with 4 or 5 rollers. Burrs (leftover pieces of metal from machining) on the linear guide or in the carriage channels. The linear bearing is mounted on either a square or round rail depending on the requirements of the application. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support. Ball bearings provide accurate movement and positioning at high speeds under heavy loads. Mount in any orientation without affecting load capacity. Motion Accuracy. Buy online with next day delivery. With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than other carriages and rails. Compatible with THK guide rails, mount these wipers to carriages to sweep chips and other contaminants out of the way as the carriage moves across the rail. Ball-bearing carriages and rail systems create less friction and resist misalignments. Guide Width or Diameter: 0. All of these carriages have a wide base and low-profile design to stabilize moment (twisting) and off-center loads. The LM Guide (Linear Motion Guide) is our main product, incorporating a part with a linear rolling motion into practical usage for the first time in the world. Straight rails have close tolerances that support high loads and provide precise ball movement. Language. Linear Motion Slides. With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than other carriages and rails. Hardened bearing steel rails are mated with high strength aluminum extrusion to give these guides excellent stiffness, straightness, and load capacity. All of these carriages have a wide base and low-profile design to stabilize moment (twisting) and off-center loads. 00. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support. Also known as profile rails, they keep carriages aligned and guide them short and long distances with minimal friction. Aluminum housing with iglide® J liner material, plastic end caps. I decided to take it apart to service it and repack/repl. Extra-Wide Ball Bearing Carriages and Guide Rails. Fixed bearings, heavy-duty version: More information: Drawings: Item selection/filter: Order No. Profiled track rollers Profiled track rollers without filling slots are used to guide the carriages and support the forces. Extend the horizontal reach of your Universal Robots’ arm to operate your robot at multiple positions along an assembly line, or transport workpieces from a conveyor to your CNC. Note: Ball bearings do not have a cage, so they’ll fall out if the carriage is removed from the guide rail. They're good for use in areas where multiple carriages or rails won't fit. Rail length: 19 mm - 42 mm. Choose from our selection of roller bearing carriages, including over 900 products in a. Made of stainless steel, these carriages and guide rails are more corrosion resistant than steel carriages and guide rails. Align the guide rail bearing interface and push it gently to the place indicated by the arrow in the figure below. With a plastic cage that surrounds the ball bearings to prevent them from colliding, these extra-wide carriages run quietly for many cycles without needing maintenance. Corrosion-Resistant Side-Mount Track Roller Carriages and Guide Rails. $15. Shop our wide selection of drylin® T linear guide rails & carriages, designed for easy assembly while maximizing the amount of utilizable installation space. With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than other carriages and rails. Our high performance, Ball Rail linear guides protect. Hardened bearing steel rails are mated with high strength aluminum extrusion to give these guides excellent stiffness, straightness, and load capacity. Cam rollers can commonly reach speeds up to 10 m/s (394 in/s). Guide Length: 3. With an internal reservoir that continuously supplies grease, these carriages and guide rails are good for use in hard-to-reach places. For smooth, accurate movement around curves and loops, these carriages have ball bearings that work well in high-speed, high-load applications. End seals keep lubricant in and dirt out. 5 inch(800mm) for DIY CNC Routers. and operating temperatures ranging from -10 °C to +100 °C. Linear Motion. When it comes to 15 Wide Linear Guide Rails, you can count on Grainger. They're good for use in areas where multiple carriages or rails won't fit. Mount 1 mm wd. Some linear slides are motorized, others are not. Available lengths. four-row recirculating ball bearing 45 mm. Side-Mount Ball Bearing Carriages and Guide Rails . Choose from our selection of linear rail bearings, including ball bearing carriages and guide rails, mounted linear bearings, and more. Shop Ball Bearing Carriages at Reid Supply 70+ years of expertise. An internal reservoir continuously supplies grease for maintenance-free operation, making them great for hard-to-reach places. They're good for use in areas where multiple carriages or rails won't fit. Sleeve bearings outperform ball bearings in dirty environments. Linear ball bearing with internal race, steel, load capacity up to 3,959 kg:profiled guideway linear guide CG series. Assembled. All of these carriages have a wide base and low-profile design to stabilize moment (twisting) and off-center loads.