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Guide / Rail Information:

Precision Grade?

Guide / Bearing Assembly?

Guide / Rail Material:

Additional Material Specifications:

Guide Width or Diameter:

Guide Length:

Guide / Rail Features and Options:

Help with Linear Guides and Rails specifications:

Guide / Rail Information Linear guides allow the directional movement of a carriage along their length.
           
   Your choices are...         
   Low Profile       This refers to a type of linear guide that has a very low horizontal profile. 
   Crossed Roller Rail       Crossed roller bearings consist of a caged roller assembly and two matching guide rails with machined v-groove bearing surfaces. The term crossed roller refers to the pattern in which the rollers are assembled in the cage. The rollers are set in the cage with the roller axis alternating at 90 degree angles. 
   Miniature Guide       Miniature refers simply to the size of the guide and is stated as such by the manufacturer. 
   Radial / Curved       A curved guide, also defined as curvilinear in shape, has specific uses in instrumentation. 
   Linear Motion Guide       Linear motion guides may also be referred to as linear guide bearings, square rail linear bearings, linear guideways, or recirculating ball bearings. This type of linear guide system is made up of two components, the guide rail and the carriage unit.  The rails may come in a variety of cross sections all with machined grooves for the bearings to run in. The balls are contained on the carriage. The linear motion guide has a superior load carrying capacity and is suited for use in dirty environments; however, straightness accuracy, flatness accuracy, and smoothness are sacrificed.  
   M / V Style Rail       This form of linear rail or guide has two mating rails. The cross section profile of one rail forms a "V" shape and the other forms an "M" shape. This style bearing typically uses a flat needle roller cage assembly that hinges in the center with two rows of needle rollers. 
   Round Shaft       Round shaft linear guides are typically hardened and ground shafts used for bushing style linear bearings. Round shafts are available in different mounting configurations, depending on the type of bearing construction used. Open style bearings can be used with continuously or intermittently supported shafts, where the shaft is supported throughout or intermittently along the length of the guide. Closed style bearings can be used with end-supported shafts, where the shaft is only supported at each end.  Closed bearing make full contact around the circumference of the shaft. Continuously and intermittently supported shafts typically have higher load carrying capabilities than end-supported shafts. 
   Spline Shaft       A spline shaft has either grooves or tongues machined along its length. The mating bearings run along either the groove or tongue, providing high rigidity. There are two main types of spline shafts, those manufactured for plain bearing spline bushings and those machined for ball splines. A spline bushing is a plain bearing with contact grooves that match those in a mating shaft.  A ball spline bearing has balls that contact grooves in a matching spline shaft on at least four sides, depending on the number of splines. The balls recirculate as the bearing moves along the guide. 
   Track System       A track system is a linear guide assembly that combines several rail components into a closed loop system. 
   T Shaped       This refers to a form of rectangular guide where the bearing races are extended outward from the top of the support, forming a "T" shape. 
   Twin Shaft       Twin shafts are round, parallel shafts that are located in close proximity with each other. One type of twin shaft is an over - under orientation the other is side by side. 
   V - Grooved Guide       Grooves are machined along the length of the guide at a 90 degree or other angle, forming a "V" shape and acting as a race for the bearings or rollers to run on. 
   Other / Proprietary       Other unlisted, specialized, or proprietary guide shapes. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Precision Grade       The linear bearing supplier has designated the linear guide as precision grade, indicating that the component has been manufactured to tighter tolerances than their standard linear guide product.  
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Guide / Bearing Assembly       Linear guide and matched linear bearing are packaged together and sold as an assembled and sold as an assembly. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Material
   Guide / Rail Material       
   Your choices are...         
   Aluminum       Aluminum is a bluish, silver-white, malleable, ductile, light, trivalent, metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation. 
   Polymer / Plastic       Polymer and plastic refers to any numerous organic, synthetic, or processed materials. These materials are mostly thermoplastic or thermosetting polymers of high molecular weight that can be made into objects, films, or filaments. 
   Stainless Steel       Stainless steel is chemical and corrosion resistant and can have relatively high pressure ratings. 
   Steel       Steel is a commercial iron that contains carbon in any amount up to about 1.7 percent as an essential alloying constituent. It is malleable when under suitable conditions, and is distinguished from cast iron by its malleability and lower carbon content. 
   Other       Other unlisted, specialized, or proprietary guide materials. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Additional Material Specifications       
   Your choices are...         
   Corrosion Resistant       Made with corrosion resistant material or coating. 
   Case Hardened       Case hardened steel is usually formed by diffusing carbon and/or nitrogen into the outer layer of the steel at high temperature. 
   Thru Hardened       Thru hardened guides or rails have been heat treated so that entire thickness has the same material hardness properties. 
   Unhardened       A guide or rail that has not been heat treated for hardness. 
   Other       Other unlisted, specialized, or proprietary additional features. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Dimensions
   Guide Width or Diameter:       Maximum dimension of the rail or guide across the rail or guide. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Guide Length:       The standard length of rail or guide made by manufacturer. The linear guide/rail can be ordered in lengths in this range. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Guide / Rail Features and Options
           
   Your choices are...         
   Continuously / Intermittently Supported       Guides that are supported continuously or at regular intervals along their length. These guides are used with open style bearings only. 
   End-Supported       This refers to guides that are only supported at each end of the shaft. This type of guide typically refers to round shafts only and is used for closed style, bushing type bearings. 
   Clean Room Use       An application where the bearings are sealed to prevent environmental contamination. 
   Pre-drilled Holes       The guide has pre drilled mounting holes along its length. 
   Self Aligning       Bearing is designed to tolerate and align itself small misalignments are present. 
   Vacuum Compatible       Specially constructed guides that can be used in vacuum applications. 
   Other       Other unlisted, specialized, or proprietary features or options. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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