Giving Shape to Your Next Project

The O'Brien Gear Company plant is located just north of Chicago and minutes from O'Hare International Airport. For high quality, large diameter, deep-cut gears and splines in any material and any quantity, call the pros from Highland Park today.

Let our engineering staff show you how O'Brien Gear Company can give shape to your next project.

• Internal and External - 1" to 182" outside diameter x 22" length x 73" height
• Tapered - Up to 36" diameter x 6" length
• Bevels - Straight and spiral up to 36" diameter, Also Coniflex
• Helical Gears and Pinions - 1" to 166" diameter x 19" Face
• Herringbones - 2" to 100" diameter
• Metric Gears - 1" to 166" diameter
• Racks - up to 100" long
• Spur Gears - up to 166" diameter
• Spline Shafts - 1" to 16" diameter, 108" max length
• Sprockets - 2" to 166" diameter
• Worm Gears - 1" to 123" diameter
• Worms - 1/4" to 15" diameter