Made in the U.S.A., NB’s shafts are never annealed, so outer diameters are ultra precise — tolerances are always reliable. Tapped shafts can be ordered with one or both ends tapped, in either case-hardened carbon steel or stainless steel. Threaded shafts can be ordered with one or both ends threaded, in case-hardened carbon steel. Diameters […]
What’s the difference between dynamic load capacity and static load capacity?
Rolling element linear bearings, such as round shafts and bushings, profiled rail guides, crossed roller slides, and even ball screws, have two load capacity specifications — dynamic load capacity and static load capacity — which are based on different operating parameters and performance criteria and are independent of each other. To accurately size and select a […]
When should you use a ball spline?
A ball spline is a type of rolling bearing linear guide, similar to a round shaft and bushing assembly, but with a critical distinction in its operation. The shaft of a ball spline is much like a linear guide shaft, except that the spline shaft has grooves along its length. The spline nut (analogous to […]
NB SGL slide guides for precise and rigid support of linear motion
The expanded line of NB SGL slide guides from NB Corp. of America are high-precision linear bearings with low friction and non-stick (and non-slip) mechanisms for smooth linear motion … even under high loads. The SGL Slide Guides are 160 mm to 3,000 mm long. Six types of blocks are available depending on the mounting […]
Rail brakes now available in additional sizes with wider compatibility
Profile Guide Rail Brakes from Nexen Group, Inc. are now available in a wider range of sizes, from 15 to 65 mm, and are fully compatible with an even wider range of guide rail manufacturers, including THK, NSK, IKO, HIWIN, INA, SKF, Star, Bosch, Accu Tech and Schneeberger. As a result, they provide great first fit […]
New Polygon Ball Guide (PBG) from Samick Precision Industry
The Samick PBG is a compact linear motion bearing that has a polygonal structure. This compact linear motion bearing is optimized to be used as a guide for transporting precision components such as small measuring instruments, semiconductors, LED chip sorters, and small size lens sorters. Features of the Samick PBG include: High precision, high rigidity, […]
Linear shafts, shaft supports and rotary shafts from AutomationDirect
AutomationDirect has added linear and rotary shafts to its line of mechanical power transmission products. SureMotion® linear shafts are precision ground for exceptional straightness, accurate diameters, and a surface finish of 10 RMS. Available in C1060 medium-carbon steel or 440C stainless steel, all shafts are heat treated for additional hardness. Starting at $7.75, carbon and […]
10 resources for selecting the right profiled rail guide
Profiled rail guides – especially those that use recirculating balls or rollers – are pervasive in industrial motion applications, with high load capacities, high stiffness, and a wide variety of styles and sizes to choose from. In fact, the sheer number of options for recirculating ball or roller style profiled rails can make selecting the […]
Guide Master from Samick Precision Industry: The masterpiece of precision guides
Guide Master was developed to meet market demands for precision applications such as semiconductor, LCD, LED, and secondary battery production processes. The masterpiece of precision guides Features of Guide Master linear guide include: Higher load capacity: With 8 rows of needle bearings in its octagonal design, Guide Master has more points of contact between post and […]
Common applications for linear rails
Linear rails are the backbone of many industrial applications, providing low-friction guidance and high stiffness for loads that can range from just a few grams to thousands of kilograms. Their range of sizes, accuracy classes, and preloads make linear rails suitable for virtually any performance requirement. The reasons for using linear rails are numerous, but […]
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