Ball Bearings have solid inner rings.

Press Release Summary:

Heim Unibal® unground bearings feature burnished races that are uninterrupted by splits or slots. Units come in plain, flanged OD, and extra capacity to allow clevis mounting. Standard sizes and special configurations are offered. Applications include wheels, casters, textile machines, door closers, power tools, conveyors, pulleys, and lift mechanisms.

Original Press Release:

Heim Unibal® Unground Bearings Offer Full Complement of Balls with Solid Inner Ring for Increased Load Capacity

(Fairfield, CT - December 2002) RBC Bearings' Heim Unibal® ball bearings offer superior ability to handle high loads and provide longer service life to such applications as wheels, casters, ammunition loaders, textile machines, door closers, power tools, conveyors, wheelchairs, pulleys and lift mechanisms. Heim's unique manufacturing process produces races uninterrupted by splits or slots. The full complement of balls offers a significant capacity advantage over caged or split-ring designs.

While Heim ball bearings are unground, their burnished races provide far smoother operation than other unground bearings. This often allows a Heim design to be used in place of precision ground bearings in many applications. Unibal bearings are available in plain, flanged OD, and extra capacity to allow clevis mounting. They are offered in all the standard bearing sizes, plus special configurations.

RBC Bearings is an industry leader in the development of precision bearing products for a diverse group of applications, including: aerospace, construction, mining and material handling equipment, mobile hydraulics systems, farm machinery, transportation equipment, automation and robotics, machine tool and semi-conductor industries, and a host of other industrial applications.

For more information, please contact RBC Bearings at 800.390.3300, or visit the web site at

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