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Bearings • Roller Bearings

Roller bearings is a type of rolling element bearing. They use cylinders that are greater in length than the diameter. Relative to ball bearings, roller bearings have higher radial load capacity. They have low axial load capacity and higher friction. Also in comparison to ball bearings, the bearing capacity of roller bearings can decrease at a faster rate if the inner and outer races are not aligned properly. Common types of roller bearings include cylindrical, spherical, tapered, and needle. They are ideal for heavy-duty and moderate-speed functions. But cylindrical bearings have lower speed capabilities.

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  • Dalton Bearing Service Inc.

    Dalton are distributors and suppliers of cylindrical, spherical, tapered, and needle roller bearings. All come in both metric and inch sizes. Thrust types offer high load capacity and greater shock absorbtion than ball bearings, and consist of steel rollers and two steel ground finished races. Dalton offers Bower cylindrical roller bearings designed for heavy radial loads or intermittent thrust loads, and high speed applications. Double row cylindrical types are also available. Brands include Timken, INA, Auburn, McGill, NTN, SNR, Torrington, Consolidated and ZVL-ZKL.

  • Ritbearing

    Ritbearing are designers and manufacturers of roller bearings for unique applications. Offerings include cylindrical, needle, spherical, tapered and cam followers. Their cylindrical style are available in single row, double row or multi-row configurations. Single row types can accept high speeds. The double row type can be made with a full compliment of rollers that accept very high radial loads. Cage options include steel retainers, polyamide or brass cages. 52100 chrome bearing steel is used. Sealed double row cylindricals are available as well. Ritbearing needle types come in metric or inch sizes, in open, single sealed or double sealed designs. Options include single or double row, and solid or split cage. Spherical types are self aligning with large radial load capacity and come with either a steel cage or a brass cage. Ritbearing tapered configurations come in inch sizes, single row, accept both radial and thrust loads, and come with a pressed steel cage.

  • SNR

    SNR are manufacturers of tapered, cylindrical and spherical roller bearings. Their tapered roller bearings can sustain high loads, provide high assembly stiffness, and come in metric or inch sizes. The SNR cylindrical range is recommended for high radial loads and high rotating speed applications. Large sizes are fitted with a machined brass cage. SNR Premier spherical roller bearings are suitable for heavy mechanics and heavy duty operation, and can sustain very high radial loads. Their EA Series is for general high temperature applications and comes with a steel cage design. Their EM Series offers a solid copper alloy cage for high vibration applications.