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  • Hollow Roller Bearings
    and reduces radial vibration and radial runout. The proper lubrication of hollow roller bearings is critical for their proper operation and bearing life. Hollow roller bearings are used on turbine shafts, as well as in grinding, milling, and workhead spindles where precision and stiffness are required.
  • Double-Row Tapered Roller Bearings
    Two-row or double-row tapered roller bearings have increased radial load capacity compared to single-row bearings. They can also handle thrust loads from both directions. The rollers can be configured in a converging or a diverging orientation. In converging double-row tapered roller bearings
  • What are needle roller bearings and what are they used for?
    The wide spread use of needle roller bearings can be traced back to the 1950â s and the introduction of a needle roller in the transmission of the VW Beetle. Needle roller bearings are named for their thin cylindrical rolling elements or â needle rollersâ (think of a rolling pin for a pie crust
  • Spherical-roller bearings graduate to a new class
    Advances in materials, design, and processing have combined to triple bearing life. EDITED BY KENNETH J. KORANE Explorer bearings are available in both sealed and unsealed versions, and are dimensionally interchangeable with existing spherical-roller bearings. They have higher load ratings and up
  • Factors to Consider When Choosing a Crossed Roller Bearing (.pdf)
    For the lack of the right bearing, the kingdom of ever-faster microprocessors might have been lost. But this story has a happy ending. Technical achievements in microprocessor manufacturing, diagnostic equipment and automation have demanded increasingly more precise motion control. Whether
  • Cylindrical Bearings
    in high-speed, lightly loaded, cylindrical roller bearings is roller skidding, which can lead to premature bearing failure. One technique to combat skidding is an out-of-round raceway, which pinches the rollers at two diametrically opposite points. Another technique is the use of two preloaded hollow
  • Bearing Closures - Bearing Seals and Bearing Shields
    Ball and roller bearings are available with different types of shields and seals. These are commonly referred to as closures. Closures can extend bearing life by preventing contaminants from reaching the critical surfaces inside the bearing, and they help retain the lubricant in the bearing
  • New spin on spindle bearings
    Better materials and sealing technologies meet the challenges of modern machine tools and coolants. Bigger, faster machine tools obviously put greater demands on spindle bearings. Most spindles use a combination of angular-contact ball bearings and cylindrical roller bearings. The angular-contact

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