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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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  • QBC - Quality Bearings

    Quality Bearings & Components was established to serve the miniature bearing market. QBC offers needle, needle press, flanged mount needle press, and needle clutch press roller bearings. Inner races for needle styles are also available. QBC's needle designs are open end, inch size, 52100 hardened chrome steel. The cage is low carbon steel and the cup is case-hardened steel. Features include high speed and high load capacity. Caged needle types offer up to three times the speed of un-caged designs. QBC's needle roller press bearings come in inch sizes, are a drawn cup design with carbon steel retainers, self aligning, high speed and high load, with an operating temperature range of -22°F to +248°F.

  • Kilian Mfg. Corp.

    Kilian is a manufacturer of roller bearings typically used in high radial loads. They offer customized designs using steel, stainless  steel and engineered polymer. Their track types are designed to withstand heavy rolling or shock loads on track type and cam controlled equipment, come in inch or metric sizes, have a cylindrical or crowned outer ring profile, can handle extreme temperature environments, and come in sealed or un-sealed designs. Kilian needle bearings come in drawn cup, heavy wall, thin wall, sealed, and thrust roller cages with or without races. Their thrust roller bearings are available with either balls or rollers. Other types offered include conveyor ball, double row ball, flanged type ball and single row ball, as well as stainless steel, thrust and plastic designs.