Ruland shaft collars are offered in multiple styles to fit shafts ranging from 1/8" to 6" in the inch series and 3mm to 80mm in the metric series, in a variety of materials and finishes. Collars are stamped with the Ruland name and the bore size for easy identification.

Extra steps are taken in the manufacturing of Ruland's shaft collars to provide important performance benefits. For example, Ruland collars are single point faced (indicated by the circular groove on the face) during the boring operation to insure perpendicularity of the face to the bore. Perpendicularity is important for alignment when shaft collars are used as a bearing face, a mechanical stop, or for mounting other components.

One-piece clamp style shaft collars wrap around the shaft for even distribution of clamping forces. This results in a tight fit and greater holding power, without the shaft damage caused by set screws. Ruland uses carefully selected materials and proprietary processes to ensure that the clamping gap remains open for simpler and more precise adjustment, installation and fit.

Two-piece clamp style shaft collars offer the same benefits of the one-piece clamp shaft collars with additional versatility and convenience. They are easily disassembled, reducing labor and downtime when adjustment, removal, or replacement is necessary. Ruland keeps both halves of its two-piece collars together throughout the manufacturing process to assure a perfect match for proper fit, holding power and alignment.

One and two-piece threaded shaft collars share the same quality and benefits of their smooth bore counterparts, as well as providing additional features. Threaded collars provide axial holding power which is superior to smooth bore collars, while offering easier installation and adjustment than solid ring locking devices. A diverse list of thread diameters and pitches, including locknut threads, are offered. Ruland threaded shaft collars are double tapped to insure precise and burr-free threads.

Set screw shaft collars are the most effective when used on a shaft made of a material that is softer than the set screw. Ruland set screw collars are furnished exclusively with forged socket set screws for greater torque capacity and improved holding power. Forging of the stainless steel set screws has the additional benefit of work hardening, which results in stainless steel with elevated hardness and performance.