Medical Device Directory

Ruland manufactures shaft collars in a variety of styles with bore sizes ranging from 1/8" to 6" and 3mm to 150mm. Materials include black oxide, 303 and 316 stainless steel, high strength aluminum, zinc plated steel, and engineered plastic. All shaft collars are single point faced to ensure face to bore perpendicularity, which is important when the shaft collar is being used as a load bearing face, mechanical stop, or for mounting components such as gears or bearings. Ruland has developed a proprietary black oxide process that affects the holding power, the anti-stick-slip characteristic, and helps keep the torque rating of the screw within the desired parameters. The Ruland name and bore size are also stamped on every shaft collar for ease of identification.

Shaft collars are offered in one- and two-piece clamp style, quick clamping, keyed, double wide, heavy duty, threaded, bearing locknut and set screw styles. Special designs including flat bottoms, tapped holes, acme threading, and balancing are also available upon request.

Ruland was established in 1937 and for the past 40 years has focused on designing and manufacturing high performing shaft collars and couplings. All metallic Ruland products are made in its Marlborough Massachusetts factory under strict controls using proprietary processes. The complete line of products includes shaft collars & rigid couplings and a full line of zero backlash motion control couplings: beam, bellows, oldham, disc and curved jaw.

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