High Precision Helical Planetary Gearheads


Boston Gear announces the availability of Helical Planetary Precision Gearheads — high-quality gearheads designed for direct attachment to popular servo and stepper motors. These durable, long-lasting performers are ideal for packaging, medical, material handling, robotics, automotive, and many other applications.

“Precision Gearheads are a welcome addition to our product line with the range of sizes and configurations that our customers need,” said John Chi, Product Manager, Speed Reducers. “They’re the perfect solution when customers need both value and reliable performance.”

Superior engineering and design come together in these gearheads, which include patented planet carrier design, patented input and output sealing designs, and special heat and surface treatments. Constructed of long-lasting materials, all exposed gearhead parts are stainless steel for high performance. Housings are available in black anodized aluminum for standard applications and epoxy-coated for wet and washdown applications.

Backed by an impressive 5-year warranty that covers seals, bearings, and all elements for the gearheads — from “tip to tip” — Boston Gear Precision Gearheads provide high output torque, quiet operation, and reduced backlash.

Best of all, the entire High Precision Planetary Gearheads line is available from Boston Gear as well as our authorized distributors throughout the United States and Canada for easy ordering, convenient processing, and reliable delivery.

About Boston Gear and Altra Industrial Motion
Boston Gear is a division of Altra Industrial Motion, a leading multinational designer, producer, and marketer of mechanical power transmission and motion control products. Altra Industrial Motion includes some of the most renowned brand names in industry: Warner Electric, Boston Gear, Formsprag Clutch, Stieber Clutch, Ameridrives Couplings, Wichita Clutch, Nuttall Gear, Marland Clutch and Delroyd Worm Gear.


• True helical technology provides increased tooth to tooth contact ratio by 33% vs. spur gearing • 12° helix angle produces smooth and quiet operation • One piece planet carrier and output shaft design reduces backlash • Single step machining process • Assures 100% concentricity • Increases tortional rigidity • Efficient lubrication for life
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