Dovetail slides are a type of plain linear bearing — along with boxway slides and plain bushings made of plastic, composite, or bronze — that rely on direct contact between sliding surfaces to support a load. These differ from modern rolling element linear bearings, which use balls or rollers to reduce friction between the load-bearing […]
Case-hardened tapped or threaded shafts, ready to ship
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 […]
New bearing from igus assists in quick, easy liner replacement
igus has introduced a new bearing, drylin W Exchange, for its drylin W linear system in which the liner can be replaced directly on the rail without dismantling the system. By using a practical assembly tool, users can push the old liner out of the housing, clip the new one on to the shaft and […]
“New Design” pillow and flange blocks from LM76 allow for easy bearing lubrication
“New Design” pillow blocks and flange blocks from LM76 feature a lubrication fitting and an alignment set screw in the pillow blocks and flange blocks. The stainless steel and self aligning linear bearings are modified by having an alignment flat ground on the bearings’ outer shell and drilling a hole through the outer shell. Lubricants […]
Pegasus Series 1 corrosion-resistant linear bearings from LM76
LM76 has developed the most corrosion resistant linear bearing available. The Pegasus Series 1 Linear Bearings feature Silicon Nitride (SiNi) Ceramic Balls in a shell with retainer and end caps all made from 440 Stainless Steel and then ArmorloyTM coated. In space, deep under the sea, or in the harshest environments when there can be […]
New linear bearing coming later this year: eXrail from NB Corp.
June 23, 2017 update: NB Corp. of America will be showcasing the new eXrail at SEMICON WEST 2017 — to be held July 11 to 13 in San Francisco. Here’s a preview of the eXrail: To see the actual product, visit NB’s booth 5244 at SEMICON WEST. The manufacturer is also offering free SEMICON WEST […]
FDA/USDA/3A-Dairy compliant ETX scraper seals from LM76 for linear bearings used in food processing applications
LM76 now sells FDA/USDA/3-A Dairy compliant ETX Scraper Seals for linear bearings. Machined from Ertalyte PET-P, ETX Scraper Seals have high strength, excellent wear resistance, low coefficient of friction, and excellent dimensional stability at higher temperatures than seals from other materials. Designed with a slight interference fit between bearing ID and shaft, ETX Scraper Seals prevents […]
Custom dovetail slides (and other linear components) from Gilman Precision
Gilman Precision sells myriad custom products with an array of size, accuracy range, and complexity variations. Gilman can tailor specific dimensions to given motion applications. For more data and information regarding customization options and assemblies, email sales@gilmanprecision.com. Dovetail slides for simple and cost-effective precision movement Base width is 1.00 to 36.00 in. and base length is to 200.00 in. long. Hardened-way slides for ruggedness […]
Flange bushings eliminates bulky housings (and deliver smooth linear motion)
NB’s Flange Linear Ball Bushing line offers the best of both worlds … the benefits of a slide bush with the mounting ease of a flange. When an application calls for ease of assembly, select a completely integrated system. Choose from single, doublewide, or center mount configurations. Flange types are available in inch, Asian or European […]
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