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Hybrid Ball Bearings

From National Precision Bearing, Inc.

NPB Bearings: * miniature & instrument * ball bearings * aerospace bearings * spherical plain * nu & nx bearings * thin section bearings * bearing tools * needle bearings

For most ball bearing applications, steel balls are sufficient. As applications become more complex and specialized, alternative ball options become a necessity. The most widely available options for ball bearings are TiC and ceramic balls. TiC balls are 440C stainless steel balls with a titanium carbide coating while ceramic balls consist of silicon nitride, Si3N4, a â polycrystalline material with an amorphous (glassy) intergranular phase.â Bearings equipped with these options are referred as â pseudo-hybridâ and hybrid bearing (see Table I).

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Thrust Bearings
Thrust bearings are designed for pure thrust loads, and can handle little or no radial load. The rolling element in a thrust bearing can be a ball, needle or roller.
Needle Roller Bearings
Needle roller bearings are designed for radial load applications where a low profile is desired.
Thrust Washers
Thrust washers are used as a bearing surface for rotary applications.  They are usually made of steel, bronze, plastic, or other material with low friction coefficients.
Radial Ball Bearings
Radial ball bearings are friction reduction, rotation devices that carry loads radially around its axis. A subtype of ball bearings, they operate through the use of lubricated steel balls placed between two circular guides. They are frequently called deep-groove bearings.
Ball Bearings
Ball bearings are used to provide smooth, low friction motion in rotary applications. Ball bearings types include radial ball bearings (deep groove and angular contact) and thrust ball bearings.
Product Announcements
Boca Bearing Company - Boca Bearing’s Ceramic Bearings Offer Flexibility
Boca Bearing's ceramic bearings can be used in varieties of manufacturing environments ranging from extreme temperatures, high speeds to heavy loads. (read more)
SKF/North America - Hybrid Bearings insulation against stray currents
SKF® hybrid bearings with silicon nitride rolling elements and steel rings provide insulation against stray currents in large variable speed electric motors to eliminate electric arc bearing... (read more)
Schatz Bearing Corp. - SCHATZ HC™ SERIES
The double v profile on the bearing supports applications that require either an internal 90 degree angle or an external 90 degree angle. Bearings are manufactured using AISI 52100 steel, AISI 440C... (read more)
SKF/North America - Solutions for wind power generator applications
MRC® hybrid ceramic ball bearings have been introduced in extra-large bore sizes ideally suited for wind power generator applications. These bearing solutions combine traditional 52100 steel rings... (read more)
Topics of Interest

NPB Bearings: * miniature & instrument * ball bearings * aerospace bearings * spherical plain * nu & nx bearings * thin section bearings * bearing tools * needle bearings The performance of ball...

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