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Linear Bushings Category (10 companies)

Linear Bushings

A linear bushing is a hollow cylindrical element that contains several tracks that are filled with steel balls which recirculate as the unit rides along the shaft. Their advantages include a small coefficient of friction and an ability to compensate for construction-related imperfections. Consequently, they are the most commonly used motion elements in automation for transfer, locating, and assembly.

Linear bushings are available in single, double, long, and custom lengths, which affect both load resistance and guidance accuracy. Because weight and irregularities are distributed over the entire length of the bushing, the longer the bushing, the greater its load resistance, accuracy, and operating life. In addition to length, bushings are offered in open, flanged, clearance-adjustable, and other types.

Leading manufacturers: Bosch-Rexroth, Isotech, Misumi, SMI4Motion, Specialty Motions, NB Corporation

State: IL, PA

  • Isotech

    Isotech is a manufacturer of linear bearings with increased load capacity, low friction, light weight and easy mounting. Linear bearing products include topball high performance slide bushings, slide units, stroke bushings, slide rotary bushings, and slide screws. 
    Hatfield
    State: PA

    View Their Complete Line of Linear Bushings

  • NB Corporation

    The NB Slide Bush features solid steel outer ring construction available with integral seals in both high quality and precision grades. Both grades feature seamless ball retainer for smoother motion and high rigidity. It's Double-Wide Bush offers added stability when additional moment loads are required within an application. Products are offered in both inch and metric.
    Hanover Park
    State: IL

    View Their Complete Line of Slide Bush Products

  • Thomson

    Thomson offers a large selection of inch and metric linear ball bushing bearings. Their RoundRail Ball Bushing Bearing system can accommodate torsional misalignment, which can be caused by inaccuracies in carriage, base machining or machine deflection. The result is little increase in stress to the components. Choose from over nine different families of linear bearing and linear bearing accessories. 

    View Their Complete Line of Linear Ball Bushing Bearings

  • Specialty Motions

    Specialty Motions offers a large selection of linear bushings. Product categories include flange type linear bushings, non self aligning linear bushings, and self aligning linear bushings. Represents manufacturers including NB, ABBA, R+W, Schneeberger, TH, and many others. 

  • Bosch Rexroth

    Bosch Rexroth manufactures a variety of linear bushings and slides with designs and variations to meet all applications. Product lines include standard range linear bushings, linear bushings and shafts in miniaturized configurations, eLINE linear bushings and shafts, and shafts with a variety of tolerances made of heat-treatment steel, stainless steel and hard chromium plating.

  • RotoPrecision Inc

    RotoPrecision offers NB precision linear motion products, including the NB slide bushings and stroke bushings that utilize the rotational motion of ball elements between an outer cylinder and a shaft. The retainer is made of a light metal alloy with high wear resistance.
    Website

  • eShaft Case 60

    eShaft Case 60 engineers round linear shafting, manufactured to extremely close industry tolerances on diameter, straightness, and roundness. Their shafting is designed for use in all motion control applications. Available in a range of sizes, both inch and metric, from 1/4” to 4” or 6mm to 100mm diameter.
    Website

  • Ondrives

    Ondrives manufactures sealed type stroke rotary bushings made from carbon steel as standard, with an ordinary and heavy duty type available. Stroke rotary bushings can operate in both linear and rotary directions at the same time. Shaft diameters range from 8mm up to 100mm as standard.
    Website

  • IDA Motion

    IDA Motion manufactures linear ball bushings in European and Japanese metric sizes. Available with open and closed aluminum pillow blocks, flange and double length flange ranges, and precision ground shafting in steel, stainless-steel and hard coat aluminum. Special types are also available on request, including Teflon, sleeve and push-fit bearings.
    Website

  • Aurora Bearing Co

    Aurora Bearing Co. manufactures a wide range of sleeve bearings produced to SAE-AS81934/1 (formally Mil-B-81934/1) and SAE-AS81934/2 (formally Mil-B-81934/2) requirements. These journal bearings, available in both the flanged and plain configurations, all feature Aurora’s proprietary AT 3200 liner system, qualified to AS81820. Bore sizes range from 1/4" (-04) through 2” (-32), and lengths from .156” through 3.00”.
    Montgomery
    State: IL
    Website