Tapered-roller bearings are tensioned by the installer using a spindle nut, while unit (or cartridge) bearings preload themselves relying only on you to properly tighten a high-torque spindle nut ...

The self-lubricating cartridges eliminate the need for automated greasing systems. The units can handle bearing stresses to 90,000 lbf/in.², have good wear rates, are dimensionally stable ...

Sealed bearing cartridges such as those from GGB Bearing Technology, Thorofare, N.J., are cost-effective, environmentally friendly alternatives to conventional bronze, hardened-steel, and rolling ...

Another product launched by GGB Bearings, at the same Las Vegas show, is its new sealed bearing cartridges, developed to offer a cost-effective, maintenance-free alternative to conventional greased ...