Quality Bearings & Components - QBC

United States

Linear Bearings, Shafting, Guides, Rails, Cams and WheelsQBC offers many linear motion components which can be purchased online. Our frelon lined bearings can carry 4 to 8 times the load of ball bearings. New line of stainless steel precision shafting features 164" x 45 chamfer at both ends. Guide blocks made of AISI 1055 steel, concentric and eccentric type guide wheels as well as new needle bearing cam followers are available for purchase in this section. Linear BearingsLinear motion is the most basic of all motion. Linear ball bearings provide linear movement in one direction. A roller bearing, carries a load by placing rolling balls or rollers between two bearing rings called races. These bearings are comprised of an outer ring and several rows of balls retained by cages. Roller bearings are manufactured in two styles: ball slides and roller slides. Ball SlidesBall bearing slides are the most common type of linear slide. They use self-lubricated ball bearings housed in the base. This arrangement offers smooth precise movement along a single-axis linear design. Typically constructed from aluminum, hardened cold rolled steel or galvanized steel, ball bearing slides consist of two linear rows of ball bearings contained by four rods located on opposite sides of the base, which support the carriage for smooth linear movement. This low-friction linear movement can be powered by a drive mechanism, by hand, or inertia. Ball bearing slides have a lower load capacity compared to other linear slides, this is because the balls are less resistant to wear and abrasions. Ball bearing slide applications include fragile instrumentation, robotics, cabinetry and appliances.

Our new line of metric axial needle roller thrust bearings feature steel needles and range in widths from 2 mm to 5 mm. We also stock Axial thrust washers that fit these bearings. Wide range selection of inner and outer ring spacers is also available. Bearing spacers are made of Stainless Steel or Anodized Aluminum material. Our products ship straight from out large inventory for quick delivery.

Large Selection of Miniature Instrument, Plastic, Radial, Angular and Single Row Type Ball BearingsBall bearings are used widely in instruments and machines in order to minimize friction and power loss. While the concept of the ball bearing dates back at least to Leonardo da Vinci, their design and manufacture has become remarkably sophisticated. Commercially available ball bearings, which are usually made from hardened steel, involve many forms of construction.

Precision & Commercial Spherical Bearings and Rod EndsRod end bearings are used on the ends of cylinders or linkages to take up misalignment between two connected parts. Both male and female configurations are available and offer optional lubricator fittings. Two-piece and four-piece Commercial and precision spherical bearings are offered as well. Spherical bearings are design to handle high radial loads. The bearing's spherical outer housing minimizes friction and its a good solution to provide self lubrication.

Sleeve Bearings & Bar Stock - Sintered Bronze, Split-Type, PlasticQBC has a great selection of sintered bronze sleeve bearings. Choose from small series, standard series, ultraprecision, plastic or frelon lined types. Check out our new split-type sleeve bearings which have a composite liner that consists of a carbon steel backing. Solid or cored sintered bronze bar stock is also available. Place your order today.

Our shell-type needle bearings feature caged design that offer 3X the speed of uncaged designs. The needles inside the bearing allows for high speed, high load, low profile bearing design. QBC's roller clutches are ideal for indexing, backstopping and overrunning applications. These lightweight, low profile clutches can operate at a high indexing frequency of up to 4 CPS.