Miniature Pillow Block Ball Bearings from SDP/SI

Product Announcement from Stock Drive Products & Sterling Instrument - SDP/SI

Hicksville, NY -- Stock Drive Products / Sterling Instrument (ISO 9001 Registered Manufacturer) offers miniature pillow block ball bearings from Spyraflo. As an exclusive authorized distributor, SDP/SI carries many different types of Spyraflo bearings for small quantity orders. These miniature, compact design pillow block ball bearings are ideal in applications with limited space. With an aluminum housing, stainless steel bearing and double shielding, they have excellent corrosion resistance, making them suitable for medical, scientific and pharmaceutical applications.

Identified as the A 7Z29-... and A 7Z29M... series, these ABEC 3 bearings are available in both inch and metric sizes, for shafts ranging from 1/8” to 3/8” and 4mm to 10mm. They are rated for speeds up to 56000 rpm and radial loads up to 450 lbf, and have an operating temperature of -22°F to 248°F. They are also lubricated for the life of the bearing, and are completely maintenance-free.

SDP/SI - Stock Drive Products / Sterling Instrument offers both inch and metric small off-the-shelf mechanical components for the design engineer. Thousands of stock components, in a wide variety of sizes can easily be located and purchased in one convenient place. The engineer not only meets all his component requirements, but saves valuable time by not having to search other sources. SDP/SI is your one-stop source for small mechanical components. Stock Drive Products / Sterling Instrument consistently provides high quality precision gears and gear assemblies in quantities for prototype to OEM’s. We make what others can’t.

Quotes, online orders, and 3D CAD models are available on our updated estore at

SDP/SI is a brand of Designatronics Inc.,  

Designatronics, Inc.
250 Duffy Avenue, Hicksville, NY 11801.
Phone: +1  516-328-3300