Silverthin bearings is one of the world leaders in the manufacturing of thin section and slewing ring bearings. Thin section bearings are 100% domestically manufactured. Silverthin thin section bearings stand alone among competitors in this regard. Their manufacturing equals strength and flexibility without sacrificing reliability. Quality Made-in-the-USA raw material is the source of Silverthin's supply chain and the beginning of the "Made in the USA" solution provider.
Silverthin slewing ring bearings are imported but can be manufactured domestically upon request.
Silverthin™ Bearing Group manufactures large diameter, thin section ball bearings for defense, industrial, robotic, semiconductor, medical, energy and distribution markets. Silverthin™ Thin Section bearings are manufactured in the United States, are DFARS compliant and come in standard and custom configurations, sealed and unsealed, up to 37" in diameter.
Silverthin Lightweight Bearings are perfect for applications where an extra light bearing is required as used in aerospace applications. Within their basic load ratings, these extra light bearings are capable of radial, thrust or combined loads and are available in open, sealed or shielded configurations.
The thin section bearing family is made up of 9 primary cross section sets ranging from 3/16" to 1" and with bore sizes ranging from 1" to over 40". The combination of a large bore diameter in proportion to the small cross section makes these parts appear "thin" in comparison to standard ball bearings. Thin section bearings are made from 52100 chrome steel and 440C stainless steel. They can also be coated with platings like nodular thin dense chrome (TDC). Some sizes can be configured with seals or shields. Thin section bearings are also made in one of three different contact styles; radial contact, angular contact, and four point contact. These options, along with several ball and retainer types make for a diverse range of parts even among the limited cross sections of the thin section bearing famil
SA Series 1/4" x 1/4"
SB Series 5/16" x 5/16"
SC Series 3/8" x 3/8"
SD Series 1/2" x 1/2"
SF Series 3/4" x 3/4"
SG Series 1" x 1"
JSHA Series 1/4" x 3/16"
JSA Series 1/4" x 1/4"
JSB Series 5/16" x 5/16"
JSU Series 3/8" x 1/2"
Silverthin™ Slewing Ring Bearings come in standard and custom configurations and are engineered and manufactured up to 70 inches in diameter, some from special materials, to serve the needs of their diverse customer base.
Aside from the standard bearing and slewing ring options, Silverthin™ offers a wide range and variety of custom options. These can be either modified versions of standard bearings, or completely custom options, both to accommodate desired solutions.
Common bearing customization:
With a growing interest from customers for something more cost effective than a slewing ring or thin section bearing for turntable applications where not as much precision is needed but without sacrificing quality,
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