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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SKF are manufacturers offering a wide range of roller bearings, including cylindrical, combined needle, tapered, angular contact thrust, needle thrust, spherical thrust, self-aligning, needle, combined cylindrical roller/taper, spherical , cylindrical thrust, tapered thrust, and track runner bearings. SKF cylindrical types are offered in single row with a cage and double row without a cage, operate at high speeds, and can accommodate heavy radial loads. SKF combined needle roller bearings consist of radial needle rollers combined with a thrust bearing. Tapered types come in many sizes and are arranged between inner and outer ring raceways, and come in single, paired single, double and four row tapered groupings. SKF needle roller thrust bearings are fitted with a form-stable cage to reliably guide and retain a large number of needle rollers. They also carry MRC bearings as well.
American Roller Bearing Company primarily makes heavy duty industrial bearings that are used around the world. Types include ball cylindrical, tapered, thrust, rolling mill and custom roller bearings. Industries served include mining, primary metals and rolling, oil fields, gear drives and presses, power generation, and corrugated box and paper.
Messinger (a Kingsbury brand) precision roller bearings are ideal for applications requiring high axial load-carrying capacity. This bearing style is available in single-acting, double-acting, self-aligning, combination, and cross roller types. They are manufactured in a range of sizes for markets as diverse as aircraft, construction, agriculture, machine tool, and general industry. Their crossed cylindrical roller bearings are designed to handle all combinations of radial and axial loads, and can be supplied in standard cross sections or with bolt-down, offset races for extreme slewing applications. Their three row designs are excellent solutions in applications where a high degree of stiffness is necessary. Messinger tapered styles are suitable for combined axial and radial loading, and come in single row or double row configurations.
Scheerer are manufacturers of ball and cylindrical roller bearings for 2 inch bore to 70 inch outer diameter. They also manufacture roller thrust bearings that are plain type, self aligning and double acting. Scheerer's radial designs come in cylindrical, single row or multi-row, cross roller and journal configurations. Also available are radial ball and ball thrust configurations.